Crawler Report for nodejs.org

Summary

Website Quality Score

7.0 Good
Performance
8.3
SEO
9.0
Security
6.5
Accessibility
5.0
Best Practices
6.1
  • ⛔ Skipped URLs - 1783 skipped URLs found.
  • ⛔ Security - 67 pages(s) with critical finding(s).
  • ⚠️ Performance WARNING - 4 slow non-media URLs found (slower than 3 seconds).
  • ⚠️ The description '' exceeds the allowed 10% duplicity. 100% of pages have this same description.
  • ⚠️ 67 page(s) do not support Brotli compression.
  • ⚠️ No WebP image found on the website.
  • ⚠️ No AVIF image found on the website.
  • ⚠️ 67 page(s) with missing quotes on attributes.
  • ⚠️ 2 page(s) with non-clickable (non-interactive) phone numbers.
  • ⚠️ 46 page(s) without form labels.
  • ⚠️ 67 page(s) without aria labels.
  • ⚠️ 67 page(s) without role attributes.
  • ⏩ Loaded robots.txt for domain 'nodejs.org': status code 200, size 113 B and took 126 ms.
  • ⏩ External URLs - 477 external URL(s) found.
  • ⏩ Redirects - 1 redirect(s) found.
  • ⏩ 404 NOTICE - 1 non-existent page(s) found.
  • ✅ SSL/TLS certificate is valid until Apr 12 23:59:59 2026 GMT. Issued by C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA. Subject is CN = *.nodejs.org.
  • ✅ SSL/TLS certificate issued by 'C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA'.
  • ✅ HTTP headers - found 15 unique headers.
  • ✅ All 66 unique title(s) are within the allowed 10% duplicity. Highest duplicity title has 2%.
  • ✅ All pages have inline SVGs smaller than 5120 bytes.
  • ✅ All pages have inline SVGs with less than 5 duplicates.
  • ✅ All pages have valid or none inline SVGs.
  • ✅ All pages without multiple <h1> headings.
  • ✅ All pages have <h1> heading.
  • ✅ All pages have heading structure without skipped levels.
  • ✅ All pages have DOM depth less than 30.
  • ✅ All pages have valid HTML.
  • ✅ All pages have image alt attributes.
  • ✅ All pages have lang attribute.
  • ✅ DNS IPv4 OK: domain nodejs.org resolved to 172.66.128.70, 104.20.1.252 (DNS server: 127.0.0.53).
  • ✅ DNS IPv6 OK: domain nodejs.org resolved to 2606:4700:10::ac42:8046, 2606:4700:10::6814:1fc (DNS server: 127.0.0.53).

Visited URLs

Found 69 row(s).
URLStatusTypeTime (s)SizeCache
/docs/latest/api/200 HTML176 ms16 kB60 min
/docs/latest/api/tty.html200 HTML212 ms42 kB60 min
/docs/latest/api/synopsis.html200 HTML234 ms24 kB60 min
/docs/latest/api/packages.html200 HTML233 ms119 kB60 min
/docs/latest/api/os.html200 HTML392 ms75 kB60 min
/docs/latest/api/readline.html200 HTML206 ms201 kB60 min
/docs/latest/api/module.html200 HTML233 ms338 kB60 min
/docs/latest/api/repl.html200 HTML206 ms215 kB60 min
/docs/latest/api/domain.html200 HTML301 ms99 kB60 min
/docs/latest/api/process.html200 HTML228 ms678 kB60 min
/docs/latest/api/cli.html200 HTML219 ms282 kB60 min
/docs/latest/api/timers.html200 HTML325 ms87 kB60 min
/docs/latest/api/intl.html200 HTML267 ms40 kB60 min
/docs/latest/api/dns.html200 HTML207 ms211 kB60 min
/docs/latest/api/typescript.html200 HTML219 ms32 kB60 min
/docs/latest/api/diagnostics_channel.html200 HTML257 ms223 kB60 min
/docs/latest/api/child_process.html200 HTML303 ms439 kB60 min
/docs/latest/api/tls.html200 HTML214 ms259 kB60 min
/docs/latest/api/webstreams.html200 HTML246 ms266 kB60 min
/docs/latest/api/v8.html200 HTML206 ms309 kB60 min
/docs/latest/api/documentation.html200 HTML237 ms24 kB60 min
/docs/latest/api/crypto.html200 HTML223 ms999 kB60 min
/docs/latest/api/wasi.html200 HTML217 ms43 kB60 min
/docs/latest/api/index.html200 HTML227 ms16 kB60 min
/docs/latest/api/globals.html200 HTML223 ms120 kB60 min
/docs/latest/api/async_hooks.html200 HTML215 ms218 kB60 min
/docs/latest/api/http2.html200 HTML215 ms738 kB60 min
/docs/latest/api/buffer.html200 HTML230 ms1 MB60 min
/docs/latest/api/events.html200 HTML230 ms542 kB60 min
/docs/latest/api/dgram.html200 HTML211 ms153 kB60 min
/docs/latest/api/util.html200 HTML212 ms707 kB60 min
/docs/latest/api/querystring.html200 HTML211 ms32 kB60 min
/docs/latest/api/url.html200 HTML205 ms319 kB60 min
/docs/latest/api/embedding.html200 HTML202 ms48 kB60 min
/docs/latest/api/debugger.html200 HTML221 ms36 kB60 min
/docs/latest/api/cluster.html200 HTML260 ms196 kB60 min
/docs/latest/api/modules.html200 HTML207 ms149 kB60 min
/docs/latest/api/https.html200 HTML217 ms154 kB60 min
/docs/latest/api/punycode.html200 HTML200 ms33 kB60 min
/docs/latest/api/n-api.html200 HTML238 ms758 kB60 min
/docs/latest/api/tracing.html200 HTML266 ms88 kB60 min
/docs/latest/api/esm.html200 HTML265 ms123 kB60 min
/docs/latest/api/webcrypto.html200 HTML335 ms320 kB60 min
/docs/latest/api/path.html200 HTML215 ms94 kB60 min
/docs/latest/api/vm.html200 HTML3.2 s 420 kB60 min
/docs/latest/api/http.html200 HTML218 ms591 kB60 min
/docs/latest/api/errors.html200 HTML237 ms341 kB60 min
/docs/latest/api/inspector.html200 HTML212 ms111 kB60 min
/docs/latest/api/perf_hooks.html200 HTML207 ms345 kB60 min
/docs/latest/api/sqlite.html200 HTML207 ms193 kB60 min
/docs/latest/api/stream.html200 HTML214 ms803 kB60 min
/docs/latest/api/string_decoder.html200 HTML218 ms39 kB60 min
/docs/latest/api/single-executable-applications.html200 HTML3 s 87 kB60 min
/docs/latest/api/worker_threads.html200 HTML212 ms383 kB60 min
/docs/latest/api/all.html200 HTML558 ms17 MB60 min
/docs/latest/api/deprecations.html200 HTML3.2 s 259 kB60 min
/docs/latest/api/environment_variables.html200 HTML273 ms23 kB60 min
/docs/latest/api/net.html200 HTML217 ms212 kB60 min
/docs/latest/api/report.html200 HTML316 ms186 kB60 min
/docs/latest/api/zlib.html200 HTML203 ms273 kB60 min
/docs/latest/api/assert.html200 HTML219 ms453 kB60 min
/docs/latest/api/permissions.html200 HTML317 ms36 kB60 min
/docs/latest/api/console.html200 HTML218 ms96 kB60 min
/docs/latest/api/async_context.html200 HTML198 ms198 kB60 min
/docs/latest/api/fs.html200 HTML231 ms914 kB60 min
/docs/latest/api/addons.html200 HTML3.1 s 331 kB60 min
/docs/latest/api/test.html200 HTML369 ms814 kB60 min
/docs/latest/api/corepack.html308 Redirect77 ms 147 BNone
/docs/latest/api/WebAssembly.html404 Document377 ms14 B0 s
No rows found, please edit your search term.

Best practices

Found 12 row(s).
Analysis nameOKNoticeWarningCritical
Large inline SVGs (> 5120 B)2000
Invalid inline SVGs2000
Duplicate inline SVGs (> 5 and > 1024 B)2000
Missing quotes on attributes00129560
DOM depth (> 30)67000
Heading structure132000
Non-clickable phone numbers0020
Title uniqueness (> 10%)66000
Description uniqueness (> 10%)0010
Brotli support00670
WebP support0010
AVIF support0010
No rows found, please edit your search term.

Large inline SVGs

No problems found.


Duplicate inline SVGs

No problems found.


Invalid inline SVGs

No problems found.


Missing quotes on attributes

Found 200 row(s).
SeverityOccursDetailAffected URLs (max 5)
warning3606The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning2802The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning1456The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning1432The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning1142The attribute 'href' has a value 'buffer.html#class-buffer' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning938The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning536The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning478The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning474The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning414The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning376The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning370The attribute 'href' has a value 'url.html#the-whatwg-url-api' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning312The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning300The attribute 'href' has a value '#user-content-fn-modern-algos' not enclosed in quotes in tag <a>URL 1, URL 2
warning298The attribute 'href' has a value '#user-content-fnref-modern-algos-***' not enclosed in quotes in tag <a ***>URL 1, URL 2
warning294The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning243The attribute 'href' has a value 'buffer.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning238The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#null_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning194The attribute 'href' has a value 'globals.html#class-abortsignal' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning182The attribute 'href' has a value 'net.html#class-netsocket' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning169The attribute 'href' has a value 'esm.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning163The attribute 'href' has a value 'modules.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning159The attribute 'href' has a value 'stream.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning157The attribute 'href' has a value 'child_process.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning155The attribute 'href' has a value 'http.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning151The attribute 'href' has a value 'worker_threads.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning150The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#bigint_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning149The attribute 'href' has a value 'tty.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning148The attribute 'href' has a value 'webstreams.html#class-readablestream' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'domain.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'debugger.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'zlib.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'timers.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'querystring.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'cluster.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning147The attribute 'href' has a value 'async_hooks.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning145The attribute 'href' has a value 'crypto.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning143The attribute 'href' has a value 'repl.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning143The attribute 'href' has a value 'https.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning143The attribute 'href' has a value 'net.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning143The attribute 'href' has a value 'fs.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning141The attribute 'href' has a value 'vm.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning141The attribute 'href' has a value 'report.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning141The attribute 'href' has a value 'single-executable-applications.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning141The attribute 'href' has a value 'n-api.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning141The attribute 'href' has a value 'sqlite.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning139The attribute 'href' has a value 'webcrypto.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning139The attribute 'href' has a value 'typescript.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning139The attribute 'href' has a value 'perf_hooks.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning139The attribute 'href' has a value 'addons.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'packages.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'diagnostics_channel.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'assert.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'console.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'tracing.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'deprecations.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'punycode.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'intl.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'module.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'async_context.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'test.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'globals.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning137The attribute 'href' has a value 'util.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'dns.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'dgram.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'os.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'readline.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'inspector.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'process.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'tls.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'http2.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'v8.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'path.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'url.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'cli.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'webstreams.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'string_decoder.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'events.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning135The attribute 'href' has a value 'wasi.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning133The attribute 'href' has a value 'errors.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning133The attribute 'href' has a value 'permissions.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning133The attribute 'href' has a value 'environment_variables.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning133The attribute 'href' has a value 'documentation.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning133The attribute 'href' has a value 'synopsis.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning133The attribute 'href' has a value 'embedding.html' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning123The attribute 'href' has a value 'documentation.html#stability-index' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning122The attribute 'href' has a value 'stream.html#class-streamduplex' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning118The attribute 'href' has a value 'webcrypto.html#class-cryptokey' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning108The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning98The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning92The attribute 'href' has a value 'events.html#class-eventemitter' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning90The attribute 'href' has a value 'errors.html#class-error' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning88The attribute 'href' has a value '#user-content-fn-openssl***' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3
warning88The attribute 'href' has a value 'buffer.html#buffers-and-character-encodings' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4
warning80The attribute 'href' has a value 'fs.html#class-fsstats' not enclosed in quotes in tag <a>URL 1, URL 2
warning78The attribute 'href' has a value 'stream.html#class-streamreadable' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning78The attribute 'href' has a value 'crypto.html#class-keyobject' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4
warning74The attribute 'href' has a value 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#symbol_type' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4, URL 5
warning72The attribute 'href' has a value 'webstreams.html#class-writablestream' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3, URL 4
warning72The attribute 'href' has a value 'webcrypto.html#class-algorithm' not enclosed in quotes in tag <a>URL 1, URL 2, URL 3
You have reached the limit of 100 rows as a protection against very large output or exhausted memory.
No rows found, please edit your search term.

DOM depth

No problems found.


Heading structure

No problems found.


Non-clickable phone numbers

SeverityOccursDetailAffected URLs (max 5)
warning2+ 2018-04-26URL 1, URL 2
warning2+00000000URL 1, URL 2

Title uniqueness

No problems found.


Description uniqueness

No problems found.

Accessibility

Analysis nameOKNoticeWarningCritical
Missing form labels0020
Missing html lang attribute1000
Missing roles0010
Missing aria labels2080122

Valid HTML

No problems found.


Missing image alt attributes

No problems found.


Missing form labels

SeverityOccursDetailAffected URLs (max 5)
warning1482<input class="js-*" *** >URL 1, URL 2, URL 3, URL 4, URL 5

Missing aria labels

Found 200 row(s).
SeverityOccursDetailAffected URLs (max 5)
critical1482<input class="js-*" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning48589<a ***>URL 1, URL 2, URL 3, URL 4, URL 5
warning8452<a class="nav-*" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning4258<button class="copy-*">URL 1, URL 2, URL 3, URL 4, URL 5
warning298<a id="user-content-fnref-modern-algos-***" *** >URL 1, URL 2
warning126<a class="nav-* active" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning67<a class="skip-*" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning56<a id="user-content-fnref-openssl35-***" *** >URL 1, URL 2, URL 3
warning46<a id="user-content-fnref-secure-curves-***" *** >URL 1, URL 2
warning24<a class="mark" id="event-close-***" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning18<a class="mark" id="event-close" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning18<a class="mark" id="event-error" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning14<a id="user-content-fnref-openssl32-***" *** >URL 1, URL 2, URL 3
warning12<a id="user-content-fnref-openssl***" *** >URL 1, URL 2, URL 3
warning10<a class="mark" id="examples" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning10<a class="mark" id="serverclosecallback" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning10<a class="mark" id="event-exit" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning10<a class="mark" id="version-***" *** >URL 1, URL 2
warning10<a class="mark" id="event-message" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="serversymbolasyncdispose" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="notes" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="serverlisten" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="event-drain" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="event-error-***" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="tls-min-v***" *** >URL 1, URL 2
warning8<a class="mark" id="event-connection" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="determining-if-crypto-support-is-unavailable" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="event-finish" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning8<a class="mark" id="event-connect" *** >URL 1, URL 2, URL 3, URL 4, URL 5
warning6<a class="mark" id="process" *** >URL 1, URL 2, URL 3, URL 4
warning6<a id="user-content-fnref-openssl30-***" *** >URL 1, URL 2, URL 3
warning6<a class="mark" id="console" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="exports" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="event-finish-***" *** >URL 1, URL 2, URL 3
warning6<a class="mark" id="servertimeout" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="overview" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="event-listening" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="filename" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="error-handling" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="bufswap***" *** >URL 1, URL 2
warning6<a class="mark" id="enabling" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="event-timeout-***" *** >URL 1, URL 2
warning6<a class="mark" id="event-ready" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="event-disconnect" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="promises-api" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="serversettimeoutmsecs-callback" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="event-timeout" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="usage" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="introduction" *** >URL 1, URL 2, URL 3, URL 4
warning6<a class="mark" id="callback-api" *** >URL 1, URL 2, URL 3, URL 4
warning4<a class="mark" id="class-subtlecrypto" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="responsefinished" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="requestconnection" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="responseenddata-encoding-callback" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-textencoderstream" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-eventtarget" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-asyncresource" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="x509fingerprint***" *** >URL 1, URL 2
warning4<a class="mark" id="responsegetheadername" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="timers" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-event" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-readablestreambyobreader" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-writablestream" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="new-agentoptions" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-urlpattern" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="responsesenddate" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="deprecated-apis" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-abort" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="responsewriteheadstatuscode-statusmessage-headers" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-decompressionstream" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-pause" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="responseheaderssent" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="responsehasheadername" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="transferring-with-postmessage-***" *** >URL 1, URL 2
warning4<a class="mark" id="class-transformstreamdefaultcontroller" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="servercloseidleconnections" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="requestdestroyerror" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-compressionstream" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-online" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="serveraddress" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="settimeoutcallback-delay-args" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="hook-callbacks" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="socketref" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-performanceobserver" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-performancemeasure" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-performancemark" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="environment-variables" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-worker" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="node-api" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-customevent" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="requestmethod" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-continue" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="processenv" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-keylog" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="setintervalcallback-delay-args" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-message-***" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-readablebytestreamcontroller" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-messagechannel" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="class-websocket" *** >URL 1, URL 2, URL 3
warning4<a class="mark" id="event-data" *** >URL 1, URL 2, URL 3
You have reached the limit of 100 rows as a protection against very large output or exhausted memory.
No rows found, please edit your search term.

Missing roles

SeverityOccursDetailAffected URLs (max 5)
warning67<header class="header">URL 1, URL 2, URL 3, URL 4, URL 5

Missing html lang attribute

No problems found.

Security

HeaderOKNoticeWarningCriticalRecommendation
Content-Security-Policy00067Content-Security-Policy header is not set. It restricts resources the page can load and prevents XSS attacks.
X-Frame-Options00670X-Frame-Options header is not set. It prevents clickjacking attacks when set to 'deny' or 'sameorigin.
Referrer-Policy00670Referrer-Policy header is not set. It controls referrer header sharing and enhances privacy and security.
Feature-Policy00670Feature-Policy header is not set. It allows enabling/disabling browser APIs and features for security. Not important if Permissions-Policy is set.
Permissions-Policy00670Permissions-Policy header is not set. It allows enabling/disabling browser APIs and features for security.
Server06700Server header is set to 'cloudflare'. It is better not to reveal used technologies.
Strict-Transport-Security67000
X-XSS-Protection67000
X-Content-Type-Options67000

Security headers

SeverityOccursDetailAffected URLs (max 5)
critical67Content-Security-Policy header is not set. It restricts resources the page can load and prevents XSS attacks.URL 1, URL 2, URL 3, URL 4, URL 5
warning67Referrer-Policy header is not set. It controls referrer header sharing and enhances privacy and security.URL 1, URL 2, URL 3, URL 4, URL 5
warning67X-Frame-Options header is not set. It prevents clickjacking attacks when set to 'deny' or 'sameorigin.URL 1, URL 2, URL 3, URL 4, URL 5
warning67Permissions-Policy header is not set. It allows enabling/disabling browser APIs and features for security.URL 1, URL 2, URL 3, URL 4, URL 5
warning67Feature-Policy header is not set. It allows enabling/disabling browser APIs and features for security. Not important if Permissions-Policy is set.URL 1, URL 2, URL 3, URL 4, URL 5
notice67Server header is set to 'cloudflare'. It is better not to reveal used technologies.URL 1, URL 2, URL 3, URL 4, URL 5

TOP non-unique titles

Count 🔽Title
2Index | Node.js v25.8.1 Documentation

TOP non-unique descriptions

Count 🔽Description
67

SEO metadata

Found 67 row(s).
URL 🔼IndexingTitleH1DescriptionKeywords
/docs/latest/api/AllowedIndex | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/addons.htmlAllowedC++ addons | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/all.htmlAllowedAll | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/assert.htmlAllowedAssert | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/async_context.htmlAllowedAsynchronous context tracking | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/async_hooks.htmlAllowedAsync hooks | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/buffer.htmlAllowedBuffer | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/child_process.htmlAllowedChild process | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/cli.htmlAllowedCommand-line API | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/cluster.htmlAllowedCluster | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/console.htmlAllowedConsole | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/crypto.htmlAllowedCrypto | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/debugger.htmlAllowedDebugger | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/deprecations.htmlAllowedDeprecated APIs | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/dgram.htmlAllowedUDP/datagram sockets | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/diagnostics_channel.htmlAllowedDiagnostics Channel | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/dns.htmlAllowedDNS | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/documentation.htmlAllowedAbout this documentation | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/domain.htmlAllowedDomain | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/embedding.htmlAllowedC++ embedder API | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/environment_variables.htmlAllowedEnvironment Variables | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/errors.htmlAllowedErrors | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/esm.htmlAllowedModules: ECMAScript modules | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/events.htmlAllowedEvents | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/fs.htmlAllowedFile system | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/globals.htmlAllowedGlobal objects | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/http.htmlAllowedHTTP | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/http2.htmlAllowedHTTP/2 | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/https.htmlAllowedHTTPS | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/index.htmlAllowedIndex | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/inspector.htmlAllowedInspector | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/intl.htmlAllowedInternationalization support | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/module.htmlAllowedModules: `node:module` API | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/modules.htmlAllowedModules: CommonJS modules | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/n-api.htmlAllowedNode-API | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/net.htmlAllowedNet | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/os.htmlAllowedOS | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/packages.htmlAllowedModules: Packages | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/path.htmlAllowedPath | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/perf_hooks.htmlAllowedPerformance measurement APIs | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/permissions.htmlAllowedPermissions | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/process.htmlAllowedProcess | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/punycode.htmlAllowedPunycode | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/querystring.htmlAllowedQuery string | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/readline.htmlAllowedReadline | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/repl.htmlAllowedREPL | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/report.htmlAllowedDiagnostic report | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/single-executable-applications.htmlAllowedSingle executable applications | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/sqlite.htmlAllowedSQLite | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/stream.htmlAllowedStream | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/string_decoder.htmlAllowedString decoder | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/synopsis.htmlAllowedUsage and example | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/test.htmlAllowedTest runner | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/timers.htmlAllowedTimers | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/tls.htmlAllowedTLS (SSL) | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/tracing.htmlAllowedTrace events | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/tty.htmlAllowedTTY | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/typescript.htmlAllowedModules: TypeScript | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/url.htmlAllowedURL | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/util.htmlAllowedUtil | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/v8.htmlAllowedV8 | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/vm.htmlAllowedVM (executing JavaScript) | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/wasi.htmlAllowedWebAssembly System Interface (WASI) | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/webcrypto.htmlAllowedWeb Crypto API | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/webstreams.htmlAllowedWeb Streams API | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/worker_threads.htmlAllowedWorker threads | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
/docs/latest/api/zlib.htmlAllowedZlib | Node.js v25.8.1 DocumentationNode.js v25.8.1 documentation
No rows found, please edit your search term.

OpenGraph metadata

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Heading structure

Found 67 row(s).
Heading structureCountErrors 🔽URL
  • <h1> Node.js v25.8.1 documentation
    • <h2> Index#
20/docs/latest/api/
  • <h1> Node.js v25.8.1 documentation
    • <h2> TTY#
      • <h3> Class: tty.ReadStream#
      • <h3> Class: tty.WriteStream#
      • <h3> tty.isatty(fd)#
50/docs/latest/api/tty.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Usage and example#
      • <h3> Usage#
      • <h3> Example#
40/docs/latest/api/synopsis.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Modules: Packages#
      • <h3> Introduction#
      • <h3> Determining module system#
      • <h3> Package entry points#
      • <h3> Dual CommonJS/ES module packages#
      • <h3> Node.js package.json field definitions#
70/docs/latest/api/packages.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> OS#
      • <h3> os.EOL#
      • <h3> os.availableParallelism()#
      • <h3> os.arch()#
      • <h3> os.constants#
      • <h3> os.cpus()#
      • <h3> os.devNull#
      • <h3> os.endianness()#
      • <h3> os.freemem()#
      • <h3> os.getPriority([pid])#
      • <h3> os.homedir()#
      • <h3> os.hostname()#
      • <h3> os.loadavg()#
      • <h3> os.machine()#
      • <h3> os.networkInterfaces()#
      • <h3> os.platform()#
      • <h3> os.release()#
      • <h3> os.setPriority([pid, ]priority)#
      • <h3> os.tmpdir()#
      • <h3> os.totalmem()#
      • <h3> os.type()#
      • <h3> os.uptime()#
      • <h3> os.userInfo([options])#
      • <h3> os.version()#
      • <h3> OS constants#
260/docs/latest/api/os.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Readline#
      • <h3> Class: InterfaceConstructor#
      • <h3> Promises API#
      • <h3> Callback API#
      • <h3> readline.emitKeypressEvents(stream[, interface])#
      • <h3> Example: Tiny CLI#
      • <h3> Example: Read file stream line-by-Line#
      • <h3> TTY keybindings#
90/docs/latest/api/readline.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Modules: node:module API#
      • <h3> The Module object#
      • <h3> Module compile cache#
      • <h3> Customization Hooks#
      • <h3> Source Map Support#
60/docs/latest/api/module.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> REPL#
      • <h3> Design and features#
      • <h3> Class: REPLServer#
      • <h3> repl.builtinModules#
      • <h3> repl.start([options])#
      • <h3> The Node.js REPL#
70/docs/latest/api/repl.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Domain#
      • <h3> Warning: Don't ignore errors!#
      • <h3> Additions to Error objects#
      • <h3> Implicit binding#
      • <h3> Explicit binding#
      • <h3> domain.create()#
      • <h3> Class: Domain#
      • <h3> Domains and promises#
90/docs/latest/api/domain.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Process#
      • <h3> Process events#
      • <h3> process.abort()#
      • <h3> process.allowedNodeEnvironmentFlags#
      • <h3> process.arch#
      • <h3> process.argv#
      • <h3> process.argv0#
      • <h3> process.availableMemory()#
      • <h3> process.channel#
      • <h3> process.chdir(directory)#
      • <h3> process.config#
      • <h3> process.connected#
      • <h3> process.constrainedMemory()#
      • <h3> process.cpuUsage([previousValue])#
      • <h3> process.cwd()#
      • <h3> process.debugPort#
      • <h3> process.disconnect()#
      • <h3> process.dlopen(module, filename[, flags])#
      • <h3> process.emitWarning(warning[, options])#
      • <h3> process.emitWarning(warning[, type[, code]][, ctor])#
      • <h3> process.env#
      • <h3> process.execArgv#
      • <h3> process.execPath#
      • <h3> process.execve(file[, args[, env]])#
      • <h3> process.exit([code])#
      • <h3> process.exitCode#
      • <h3> process.features.cached_builtins#
      • <h3> process.features.debug#
      • <h3> process.features.inspector#
      • <h3> process.features.ipv6#
      • <h3> process.features.require_module#
      • <h3> process.features.tls#
      • <h3> process.features.tls_alpn#
      • <h3> process.features.tls_ocsp#
      • <h3> process.features.tls_sni#
      • <h3> process.features.typescript#
      • <h3> process.features.uv#
      • <h3> process.finalization.register(ref, callback)#
      • <h3> process.finalization.registerBeforeExit(ref, callback)#
      • <h3> process.finalization.unregister(ref)#
      • <h3> process.getActiveResourcesInfo()#
      • <h3> process.getBuiltinModule(id)#
      • <h3> process.getegid()#
      • <h3> process.geteuid()#
      • <h3> process.getgid()#
      • <h3> process.getgroups()#
      • <h3> process.getuid()#
      • <h3> process.hasUncaughtExceptionCaptureCallback()#
      • <h3> process.hrtime([time])#
      • <h3> process.hrtime.bigint()#
      • <h3> process.initgroups(user, extraGroup)#
      • <h3> process.kill(pid[, signal])#
      • <h3> process.loadEnvFile(path)#
      • <h3> process.mainModule#
      • <h3> process.memoryUsage()#
      • <h3> process.memoryUsage.rss()#
      • <h3> process.nextTick(callback[, ...args])#
      • <h3> process.noDeprecation#
      • <h3> process.permission#
      • <h3> process.pid#
      • <h3> process.platform#
      • <h3> process.ppid#
      • <h3> process.ref(maybeRefable)#
      • <h3> process.release#
      • <h3> process.report#
      • <h3> process.resourceUsage()#
      • <h3> process.send(message[, sendHandle[, options]][, callback])#
      • <h3> process.setegid(id)#
      • <h3> process.seteuid(id)#
      • <h3> process.setgid(id)#
      • <h3> process.setgroups(groups)#
      • <h3> process.setuid(id)#
      • <h3> process.setSourceMapsEnabled(val)#
      • <h3> process.setUncaughtExceptionCaptureCallback(fn)#
      • <h3> process.sourceMapsEnabled#
      • <h3> process.stderr#
      • <h3> process.stdin#
      • <h3> process.stdout#
      • <h3> process.throwDeprecation#
      • <h3> process.threadCpuUsage([previousValue])#
      • <h3> process.title#
      • <h3> process.traceDeprecation#
      • <h3> process.traceProcessWarnings#
      • <h3> process.umask()#
      • <h3> process.umask(mask)#
      • <h3> process.unref(maybeRefable)#
      • <h3> process.uptime()#
      • <h3> process.version#
      • <h3> process.versions#
      • <h3> Exit codes#
910/docs/latest/api/process.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Command-line API#
      • <h3> Synopsis#
      • <h3> Program entry point#
      • <h3> Options#
      • <h3> Environment variables#
      • <h3> Useful V8 options#
70/docs/latest/api/cli.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Timers#
      • <h3> Class: Immediate#
      • <h3> Class: Timeout#
      • <h3> Scheduling timers#
      • <h3> Cancelling timers#
      • <h3> Timers Promises API#
70/docs/latest/api/timers.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Internationalization support#
      • <h3> Options for building Node.js#
      • <h3> Detecting internationalization support#
40/docs/latest/api/intl.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> DNS#
      • <h3> Class: dns.Resolver#
      • <h3> dns.getServers()#
      • <h3> dns.lookup(hostname[, options], callback)#
      • <h3> dns.lookupService(address, port, callback)#
      • <h3> dns.resolve(hostname[, rrtype], callback)#
      • <h3> dns.resolve4(hostname[, options], callback)#
      • <h3> dns.resolve6(hostname[, options], callback)#
      • <h3> dns.resolveAny(hostname, callback)#
      • <h3> dns.resolveCname(hostname, callback)#
      • <h3> dns.resolveCaa(hostname, callback)#
      • <h3> dns.resolveMx(hostname, callback)#
      • <h3> dns.resolveNaptr(hostname, callback)#
      • <h3> dns.resolveNs(hostname, callback)#
      • <h3> dns.resolvePtr(hostname, callback)#
      • <h3> dns.resolveSoa(hostname, callback)#
      • <h3> dns.resolveSrv(hostname, callback)#
      • <h3> dns.resolveTlsa(hostname, callback)#
      • <h3> dns.resolveTxt(hostname, callback)#
      • <h3> dns.reverse(ip, callback)#
      • <h3> dns.setDefaultResultOrder(order)#
      • <h3> dns.getDefaultResultOrder()#
      • <h3> dns.setServers(servers)#
      • <h3> DNS promises API#
      • <h3> Error codes#
      • <h3> Implementation considerations#
270/docs/latest/api/dns.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Modules: TypeScript#
      • <h3> Enabling#
      • <h3> Full TypeScript support#
      • <h3> Type stripping#
50/docs/latest/api/typescript.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Diagnostics Channel#
      • <h3> Public API#
30/docs/latest/api/diagnostics_channel.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Child process#
      • <h3> Asynchronous process creation#
      • <h3> Synchronous process creation#
      • <h3> Class: ChildProcess#
      • <h3> maxBuffer and Unicode#
      • <h3> Shell requirements#
      • <h3> Default Windows shell#
      • <h3> Advanced serialization#
90/docs/latest/api/child_process.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> TLS (SSL)#
      • <h3> Determining if crypto support is unavailable#
      • <h3> TLS/SSL concepts#
      • <h3> Modifying the default TLS cipher suite#
      • <h3> OpenSSL security level#
      • <h3> X509 certificate error codes#
      • <h3> Class: tls.Server#
      • <h3> Class: tls.TLSSocket#
      • <h3> tls.checkServerIdentity(hostname, cert)#
      • <h3> tls.connect(options[, callback])#
      • <h3> tls.connect(path[, options][, callback])#
      • <h3> tls.connect(port[, host][, options][, callback])#
      • <h3> tls.createSecureContext([options])#
      • <h3> tls.createServer([options][, secureConnectionListener])#
      • <h3> tls.setDefaultCACertificates(certs)#
      • <h3> tls.getCACertificates([type])#
      • <h3> tls.getCiphers()#
      • <h3> tls.rootCertificates#
      • <h3> tls.DEFAULT_ECDH_CURVE#
      • <h3> tls.DEFAULT_MAX_VERSION#
      • <h3> tls.DEFAULT_MIN_VERSION#
      • <h3> tls.DEFAULT_CIPHERS#
230/docs/latest/api/tls.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Web Streams API#
      • <h3> Overview#
      • <h3> API#
40/docs/latest/api/webstreams.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> V8#
      • <h3> v8.cachedDataVersionTag()#
      • <h3> v8.getHeapCodeStatistics()#
      • <h3> v8.getHeapSnapshot([options])#
      • <h3> v8.getHeapSpaceStatistics()#
      • <h3> v8.getHeapStatistics()#
      • <h3> v8.getCppHeapStatistics([detailLevel])#
      • <h3> v8.queryObjects(ctor[, options])#
      • <h3> v8.setFlagsFromString(flags)#
      • <h3> v8.stopCoverage()#
      • <h3> v8.takeCoverage()#
      • <h3> v8.writeHeapSnapshot([filename[,options]])#
      • <h3> v8.setHeapSnapshotNearHeapLimit(limit)#
      • <h3> Serialization API#
      • <h3> Promise hooks#
      • <h3> Startup Snapshot API#
      • <h3> Class: v8.GCProfiler#
      • <h3> Class: SyncCPUProfileHandle#
      • <h3> Class: CPUProfileHandle#
      • <h3> Class: HeapProfileHandle#
      • <h3> v8.isStringOneByteRepresentation(content)#
      • <h3> v8.startCpuProfile()#
230/docs/latest/api/v8.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> About this documentation#
      • <h3> Contributing#
      • <h3> Stability index#
      • <h3> Stability overview#
      • <h3> JSON output#
      • <h3> System calls and man pages#
70/docs/latest/api/documentation.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Crypto#
      • <h3> Determining if crypto support is unavailable#
      • <h3> Asymmetric key types#
      • <h3> Class: Certificate#
      • <h3> Class: Cipheriv#
      • <h3> Class: Decipheriv#
      • <h3> Class: DiffieHellman#
      • <h3> Class: DiffieHellmanGroup#
      • <h3> Class: ECDH#
      • <h3> Class: Hash#
      • <h3> Class: Hmac#
      • <h3> Class: KeyObject#
      • <h3> Class: Sign#
      • <h3> Class: Verify#
      • <h3> Class: X509Certificate#
      • <h3> node:crypto module methods and properties#
      • <h3> Notes#
      • <h3> Crypto constants#
    • <h2> Footnotes [#footnote-label]
200/docs/latest/api/crypto.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> WebAssembly System Interface (WASI)#
      • <h3> Security#
      • <h3> Class: WASI#
40/docs/latest/api/wasi.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Index#
20/docs/latest/api/index.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Global objects#
      • <h3> __dirname#
      • <h3> __filename#
      • <h3> Class: AbortController#
      • <h3> Class: AbortSignal#
      • <h3> atob(data)#
      • <h3> Class: Blob#
      • <h3> Class: BroadcastChannel#
      • <h3> btoa(data)#
      • <h3> Class: Buffer#
      • <h3> Class: ByteLengthQueuingStrategy#
      • <h3> clearImmediate(immediateObject)#
      • <h3> clearInterval(intervalObject)#
      • <h3> clearTimeout(timeoutObject)#
      • <h3> Class: CloseEvent#
      • <h3> Class: CompressionStream#
      • <h3> console#
      • <h3> Class: CountQueuingStrategy#
      • <h3> Class: Crypto#
      • <h3> crypto#
      • <h3> Class: CryptoKey#
      • <h3> Class: CustomEvent#
      • <h3> Class: DecompressionStream#
      • <h3> Class: DOMException#
      • <h3> ErrorEvent#
      • <h3> Class: Event#
      • <h3> Class: EventSource#
      • <h3> Class: EventTarget#
      • <h3> exports#
      • <h3> fetch#
      • <h3> Class: File#
      • <h3> Class: FormData#
      • <h3> global#
      • <h3> Class: Headers#
      • <h3> localStorage#
      • <h3> Class: MessageChannel#
      • <h3> Class: MessageEvent#
      • <h3> Class: MessagePort#
      • <h3> module#
      • <h3> Class: Navigator#
      • <h3> navigator#
      • <h3> performance#
      • <h3> Class: PerformanceEntry#
      • <h3> Class: PerformanceMark#
      • <h3> Class: PerformanceMeasure#
      • <h3> Class: PerformanceObserver#
      • <h3> Class: PerformanceObserverEntryList#
      • <h3> Class: PerformanceResourceTiming#
      • <h3> process#
      • <h3> queueMicrotask(callback)#
      • <h3> Class: ReadableByteStreamController#
      • <h3> Class: ReadableStream#
      • <h3> Class: ReadableStreamBYOBReader#
      • <h3> Class: ReadableStreamBYOBRequest#
      • <h3> Class: ReadableStreamDefaultController#
      • <h3> Class: ReadableStreamDefaultReader#
      • <h3> Class: Request#
      • <h3> require()#
      • <h3> Class: Response#
      • <h3> sessionStorage#
      • <h3> setImmediate(callback[, ...args])#
      • <h3> setInterval(callback, delay[, ...args])#
      • <h3> setTimeout(callback, delay[, ...args])#
      • <h3> Class: Storage#
      • <h3> structuredClone(value[, options])#
      • <h3> Class: SubtleCrypto#
      • <h3> Class: TextDecoder#
      • <h3> Class: TextDecoderStream#
      • <h3> Class: TextEncoder#
      • <h3> Class: TextEncoderStream#
      • <h3> Class: TransformStream#
      • <h3> Class: TransformStreamDefaultController#
      • <h3> Class: URL#
      • <h3> Class: URLPattern#
      • <h3> Class: URLSearchParams#
      • <h3> Class: WebAssembly#
      • <h3> Class: WebSocket#
      • <h3> Class: WritableStream#
      • <h3> Class: WritableStreamDefaultController#
      • <h3> Class: WritableStreamDefaultWriter#
810/docs/latest/api/globals.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Async hooks#
      • <h3> Terminology#
      • <h3> Overview#
      • <h3> async_hooks.createHook(options)#
      • <h3> Class: AsyncHook#
      • <h3> Promise execution tracking#
      • <h3> JavaScript embedder API#
      • <h3> Class: AsyncLocalStorage#
90/docs/latest/api/async_hooks.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> HTTP/2#
      • <h3> Determining if crypto support is unavailable#
      • <h3> Core API#
      • <h3> Compatibility API#
      • <h3> Collecting HTTP/2 performance metrics#
      • <h3> Note on :authority and host#
70/docs/latest/api/http2.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Buffer#
      • <h3> Buffers and character encodings#
      • <h3> Buffers and TypedArrays#
      • <h3> Buffers and iteration#
      • <h3> Class: Blob#
      • <h3> Class: Buffer#
      • <h3> Class: File#
      • <h3> node:buffer module APIs#
      • <h3> Buffer.from(), Buffer.alloc(), and Buffer.allocUnsafe()#
100/docs/latest/api/buffer.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Events#
      • <h3> Passing arguments and this to listeners#
      • <h3> Asynchronous vs. synchronous#
      • <h3> Handling events only once#
      • <h3> Error events#
      • <h3> Capture rejections of promises#
      • <h3> Class: EventEmitter#
      • <h3> events.defaultMaxListeners#
      • <h3> events.errorMonitor#
      • <h3> events.getEventListeners(emitterOrTarget, eventName)#
      • <h3> events.getMaxListeners(emitterOrTarget)#
      • <h3> events.once(emitter, name[, options])#
      • <h3> events.captureRejections#
      • <h3> events.captureRejectionSymbol#
      • <h3> events.listenerCount(emitterOrTarget, eventName)#
      • <h3> events.on(emitter, eventName[, options])#
      • <h3> events.setMaxListeners(n[, ...eventTargets])#
      • <h3> events.addAbortListener(signal, listener)#
      • <h3> Class: events.EventEmitterAsyncResource extends EventEmitter#
      • <h3> EventTarget and Event API#
210/docs/latest/api/events.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> UDP/datagram sockets#
      • <h3> Class: dgram.Socket#
      • <h3> node:dgram module functions#
40/docs/latest/api/dgram.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Util#
      • <h3> util.callbackify(original)#
      • <h3> util.convertProcessSignalToExitCode(signal)#
      • <h3> util.debuglog(section[, callback])#
      • <h3> util.debug(section)#
      • <h3> util.deprecate(fn, msg[, code[, options]])#
      • <h3> util.diff(actual, expected)#
      • <h3> util.format(format[, ...args])#
      • <h3> util.formatWithOptions(inspectOptions, format[, ...args])#
      • <h3> util.getCallSites([frameCount][, options])#
      • <h3> util.getSystemErrorName(err)#
      • <h3> util.getSystemErrorMap()#
      • <h3> util.getSystemErrorMessage(err)#
      • <h3> util.setTraceSigInt(enable)#
      • <h3> util.inherits(constructor, superConstructor)#
      • <h3> util.inspect(object[, options])#
      • <h3> util.inspect(object[, showHidden[, depth[, colors]]])#
      • <h3> util.isDeepStrictEqual(val1, val2[, options])#
      • <h3> Class: util.MIMEType#
      • <h3> Class: util.MIMEParams#
      • <h3> util.parseArgs([config])#
      • <h3> util.parseEnv(content)#
      • <h3> util.promisify(original)#
      • <h3> util.stripVTControlCharacters(str)#
      • <h3> util.styleText(format, text[, options])#
      • <h3> Class: util.TextDecoder#
      • <h3> Class: util.TextEncoder#
      • <h3> util.toUSVString(string)#
      • <h3> util.transferableAbortController()#
      • <h3> util.transferableAbortSignal(signal)#
      • <h3> util.aborted(signal, resource)#
      • <h3> util.types#
      • <h3> Deprecated APIs#
340/docs/latest/api/util.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Query string#
      • <h3> querystring.decode()#
      • <h3> querystring.encode()#
      • <h3> querystring.escape(str)#
      • <h3> querystring.parse(str[, sep[, eq[, options]]])#
      • <h3> querystring.stringify(obj[, sep[, eq[, options]]])#
      • <h3> querystring.unescape(str)#
80/docs/latest/api/querystring.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> URL#
      • <h3> URL strings and URL objects#
      • <h3> The WHATWG URL API#
      • <h3> Legacy URL API#
      • <h3> Percent-encoding in URLs#
60/docs/latest/api/url.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> C++ embedder API#
      • <h3> Example embedding application#
30/docs/latest/api/embedding.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Debugger#
      • <h3> Watchers#
      • <h3> Command reference#
      • <h3> Advanced usage#
50/docs/latest/api/debugger.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Cluster#
      • <h3> How it works#
      • <h3> Class: Worker#
      • <h3> Event: 'disconnect'#
      • <h3> Event: 'exit'#
      • <h3> Event: 'fork'#
      • <h3> Event: 'listening'#
      • <h3> Event: 'message'#
      • <h3> Event: 'online'#
      • <h3> Event: 'setup'#
      • <h3> cluster.disconnect([callback])#
      • <h3> cluster.fork([env])#
      • <h3> cluster.isMaster#
      • <h3> cluster.isPrimary#
      • <h3> cluster.isWorker#
      • <h3> cluster.schedulingPolicy#
      • <h3> cluster.settings#
      • <h3> cluster.setupMaster([settings])#
      • <h3> cluster.setupPrimary([settings])#
      • <h3> cluster.worker#
      • <h3> cluster.workers#
220/docs/latest/api/cluster.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Modules: CommonJS modules#
      • <h3> Enabling#
      • <h3> Accessing the main module#
      • <h3> Package manager tips#
      • <h3> Loading ECMAScript modules using require()#
      • <h3> All together#
      • <h3> Caching#
      • <h3> Built-in modules#
      • <h3> Cycles#
      • <h3> File modules#
      • <h3> Folders as modules#
      • <h3> Loading from node_modules folders#
      • <h3> Loading from the global folders#
      • <h3> The module wrapper#
      • <h3> The module scope#
      • <h3> The module object#
      • <h3> The Module object#
      • <h3> Source map v3 support#
190/docs/latest/api/modules.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> HTTPS#
      • <h3> Determining if crypto support is unavailable#
      • <h3> Class: https.Agent#
      • <h3> Class: https.Server#
      • <h3> https.createServer([options][, requestListener])#
      • <h3> https.get(options[, callback])#
      • <h3> https.get(url[, options][, callback])#
      • <h3> https.globalAgent#
      • <h3> https.request(options[, callback])#
      • <h3> https.request(url[, options][, callback])#
110/docs/latest/api/https.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Punycode#
      • <h3> punycode.decode(string)#
      • <h3> punycode.encode(string)#
      • <h3> punycode.toASCII(domain)#
      • <h3> punycode.toUnicode(domain)#
      • <h3> punycode.ucs2#
      • <h3> punycode.version#
80/docs/latest/api/punycode.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Node-API#
      • <h3> Writing addons in various programming languages#
      • <h3> Implications of ABI stability#
      • <h3> Building#
      • <h3> Usage#
      • <h3> Node-API version matrix#
      • <h3> Environment life cycle APIs#
      • <h3> Basic Node-API data types#
      • <h3> Error handling#
      • <h3> Object lifetime management#
      • <h3> Module registration#
      • <h3> Working with JavaScript values#
      • <h3> Working with JavaScript values and abstract operations#
      • <h3> Working with JavaScript properties#
      • <h3> Working with JavaScript functions#
      • <h3> Object wrap#
      • <h3> Simple asynchronous operations#
      • <h3> Custom asynchronous operations#
      • <h3> Version management#
      • <h3> Memory management#
      • <h3> Promises#
      • <h3> Script execution#
      • <h3> libuv event loop#
      • <h3> Asynchronous thread-safe function calls#
      • <h3> Miscellaneous utilities#
260/docs/latest/api/n-api.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Trace events#
      • <h3> The node:trace_events module#
      • <h3> Examples#
40/docs/latest/api/tracing.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Modules: ECMAScript modules#
      • <h3> Introduction#
      • <h3> Enabling#
      • <h3> Packages#
      • <h3> import Specifiers#
      • <h3> Import attributes#
      • <h3> Built-in modules#
      • <h3> import() expressions#
      • <h3> import.meta#
      • <h3> Interoperability with CommonJS#
      • <h3> JSON modules#
      • <h3> Wasm modules#
      • <h3> Top-level await#
      • <h3> Loaders#
      • <h3> Resolution and loading algorithm#
160/docs/latest/api/esm.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Web Crypto API#
      • <h3> Modern Algorithms in the Web Cryptography API#
      • <h3> Secure Curves in the Web Cryptography API#
      • <h3> Examples#
      • <h3> Algorithm matrix#
      • <h3> Class: Crypto#
      • <h3> Class: CryptoKey#
      • <h3> Class: CryptoKeyPair#
      • <h3> Class: SubtleCrypto#
      • <h3> Algorithm parameters#
    • <h2> Footnotes [#footnote-label]
120/docs/latest/api/webcrypto.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Path#
      • <h3> Windows vs. POSIX#
      • <h3> path.basename(path[, suffix])#
      • <h3> path.delimiter#
      • <h3> path.dirname(path)#
      • <h3> path.extname(path)#
      • <h3> path.format(pathObject)#
      • <h3> path.matchesGlob(path, pattern)#
      • <h3> path.isAbsolute(path)#
      • <h3> path.join([...paths])#
      • <h3> path.normalize(path)#
      • <h3> path.parse(path)#
      • <h3> path.posix#
      • <h3> path.relative(from, to)#
      • <h3> path.resolve([...paths])#
      • <h3> path.sep#
      • <h3> path.toNamespacedPath(path)#
      • <h3> path.win32#
190/docs/latest/api/path.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> VM (executing JavaScript)#
      • <h3> Class: vm.Script#
      • <h3> Class: vm.Module#
      • <h3> Class: vm.SourceTextModule#
      • <h3> Class: vm.SyntheticModule#
      • <h3> Type: ModuleRequest#
      • <h3> vm.compileFunction(code[, params[, options]])#
      • <h3> vm.constants#
      • <h3> vm.createContext([contextObject[, options]])#
      • <h3> vm.isContext(object)#
      • <h3> vm.measureMemory([options])#
      • <h3> vm.runInContext(code, contextifiedObject[, options])#
      • <h3> vm.runInNewContext(code[, contextObject[, options]])#
      • <h3> vm.runInThisContext(code[, options])#
      • <h3> Example: Running an HTTP server within a VM#
      • <h3> What does it mean to "contextify" an object?#
      • <h3> Timeout interactions with asynchronous tasks and Promises#
      • <h3> Support of dynamic import() in compilation APIs#
190/docs/latest/api/vm.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> HTTP#
      • <h3> Class: http.Agent#
      • <h3> Class: http.ClientRequest#
      • <h3> Class: http.Server#
      • <h3> Class: http.ServerResponse#
      • <h3> Class: http.IncomingMessage#
      • <h3> Class: http.OutgoingMessage#
      • <h3> http.METHODS#
      • <h3> http.STATUS_CODES#
      • <h3> http.createServer([options][, requestListener])#
      • <h3> http.get(options[, callback])#
      • <h3> http.get(url[, options][, callback])#
      • <h3> http.globalAgent#
      • <h3> http.maxHeaderSize#
      • <h3> http.request(options[, callback])#
      • <h3> http.request(url[, options][, callback])#
      • <h3> http.validateHeaderName(name[, label])#
      • <h3> http.validateHeaderValue(name, value)#
      • <h3> http.setMaxIdleHTTPParsers(max)#
      • <h3> http.setGlobalProxyFromEnv([proxyEnv])#
      • <h3> Class: WebSocket#
      • <h3> Built-in Proxy Support#
230/docs/latest/api/http.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Errors#
      • <h3> Error propagation and interception#
      • <h3> Class: Error#
      • <h3> Class: AssertionError#
      • <h3> Class: RangeError#
      • <h3> Class: ReferenceError#
      • <h3> Class: SyntaxError#
      • <h3> Class: SystemError#
      • <h3> Class: TypeError#
      • <h3> Exceptions vs. errors#
      • <h3> OpenSSL errors#
      • <h3> Node.js error codes#
      • <h3> Legacy Node.js error codes#
      • <h3> OpenSSL Error Codes#
150/docs/latest/api/errors.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Inspector#
      • <h3> Promises API#
      • <h3> Callback API#
      • <h3> Common Objects#
      • <h3> Integration with DevTools#
      • <h3> Support of breakpoints#
70/docs/latest/api/inspector.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Performance measurement APIs#
      • <h3> perf_hooks.performance#
      • <h3> Class: PerformanceEntry#
      • <h3> Class: PerformanceMark#
      • <h3> Class: PerformanceMeasure#
      • <h3> Class: PerformanceNodeEntry#
      • <h3> Class: PerformanceNodeTiming#
      • <h3> Class: PerformanceResourceTiming#
      • <h3> Class: PerformanceObserver#
      • <h3> Class: PerformanceObserverEntryList#
      • <h3> perf_hooks.createHistogram([options])#
      • <h3> perf_hooks.eventLoopUtilization([utilization1[, utilization2]])#
      • <h3> perf_hooks.monitorEventLoopDelay([options])#
      • <h3> perf_hooks.timerify(fn[, options])#
      • <h3> Class: Histogram#
      • <h3> Class: IntervalHistogram extends Histogram#
      • <h3> Class: RecordableHistogram extends Histogram#
      • <h3> Examples#
190/docs/latest/api/perf_hooks.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> SQLite#
      • <h3> Class: DatabaseSync#
      • <h3> Class: Session#
      • <h3> Class: StatementSync#
      • <h3> Class: SQLTagStore#
      • <h3> sqlite.backup(sourceDb, path[, options])#
      • <h3> sqlite.constants#
80/docs/latest/api/sqlite.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Stream#
      • <h3> Organization of this document#
      • <h3> Types of streams#
      • <h3> API for stream consumers#
      • <h3> API for stream implementers#
      • <h3> Additional notes#
70/docs/latest/api/stream.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> String decoder#
      • <h3> Class: StringDecoder#
30/docs/latest/api/string_decoder.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Single executable applications#
      • <h3> Generating single executable applications with --build-sea#
      • <h3> Single-executable application API#
      • <h3> In the injected main script#
      • <h3> Notes#
60/docs/latest/api/single-executable-applications.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Worker threads#
      • <h3> worker_threads.getEnvironmentData(key)#
      • <h3> worker_threads.isInternalThread#
      • <h3> worker_threads.isMainThread#
      • <h3> worker_threads.markAsUntransferable(object)#
      • <h3> worker_threads.isMarkedAsUntransferable(object)#
      • <h3> worker_threads.markAsUncloneable(object)#
      • <h3> worker_threads.moveMessagePortToContext(port, contextifiedSandbox)#
      • <h3> worker_threads.parentPort#
      • <h3> worker_threads.postMessageToThread(threadId, value[, transferList][, timeout])#
      • <h3> worker_threads.receiveMessageOnPort(port)#
      • <h3> worker_threads.resourceLimits#
      • <h3> worker_threads.SHARE_ENV#
      • <h3> worker_threads.setEnvironmentData(key[, value])#
      • <h3> worker_threads.threadId#
      • <h3> worker_threads.threadName#
      • <h3> worker_threads.workerData#
      • <h3> worker_threads.locks#
      • <h3> Class: BroadcastChannel extends EventTarget#
      • <h3> Class: MessageChannel#
      • <h3> Class: MessagePort#
      • <h3> Class: Worker#
      • <h3> Notes#
240/docs/latest/api/worker_threads.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Console#
      • <h3> Class: Console#
      • <h3> Inspector only methods#
    • <h2> Corepack#
    • <h2> Crypto#
      • <h3> Determining if crypto support is unavailable#
      • <h3> Asymmetric key types#
      • <h3> Class: Certificate#
      • <h3> Class: Cipheriv#
      • <h3> Class: Decipheriv#
      • <h3> Class: DiffieHellman#
      • <h3> Class: DiffieHellmanGroup#
      • <h3> Class: ECDH#
      • <h3> Class: Hash#
      • <h3> Class: Hmac#
      • <h3> Class: KeyObject#
      • <h3> Class: Sign#
      • <h3> Class: Verify#
      • <h3> Class: X509Certificate#
      • <h3> node:crypto module methods and properties#
      • <h3> Notes#
      • <h3> Crypto constants#
    • <h2> Footnotes [#footnote-label]
    • <h2> Debugger#
      • <h3> Watchers#
      • <h3> Command reference#
      • <h3> Advanced usage#
    • <h2> Deprecated APIs#
      • <h3> Revoking deprecations#
      • <h3> List of deprecated APIs#
    • <h2> Diagnostic report#
      • <h3> Usage#
      • <h3> Report Version#
      • <h3> Configuration#
      • <h3> Interaction with workers#
    • <h2> Diagnostics Channel#
      • <h3> Public API#
    • <h2> DNS#
      • <h3> Class: dns.Resolver#
      • <h3> dns.getServers()#
      • <h3> dns.lookup(hostname[, options], callback)#
      • <h3> dns.lookupService(address, port, callback)#
      • <h3> dns.resolve(hostname[, rrtype], callback)#
      • <h3> dns.resolve4(hostname[, options], callback)#
      • <h3> dns.resolve6(hostname[, options], callback)#
      • <h3> dns.resolveAny(hostname, callback)#
      • <h3> dns.resolveCname(hostname, callback)#
      • <h3> dns.resolveCaa(hostname, callback)#
      • <h3> dns.resolveMx(hostname, callback)#
      • <h3> dns.resolveNaptr(hostname, callback)#
      • <h3> dns.resolveNs(hostname, callback)#
      • <h3> dns.resolvePtr(hostname, callback)#
      • <h3> dns.resolveSoa(hostname, callback)#
      • <h3> dns.resolveSrv(hostname, callback)#
      • <h3> dns.resolveTlsa(hostname, callback)#
      • <h3> dns.resolveTxt(hostname, callback)#
      • <h3> dns.reverse(ip, callback)#
      • <h3> dns.setDefaultResultOrder(order)#
      • <h3> dns.getDefaultResultOrder()#
      • <h3> dns.setServers(servers)#
      • <h3> DNS promises API#
      • <h3> Error codes#
      • <h3> Implementation considerations#
    • <h2> Domain#
      • <h3> Warning: Don't ignore errors!#
      • <h3> Additions to Error objects#
      • <h3> Implicit binding#
      • <h3> Explicit binding#
      • <h3> domain.create()#
      • <h3> Class: Domain#
      • <h3> Domains and promises#
    • <h2> Environment Variables#
      • <h3> CLI Environment Variables#
      • <h3> process.env#
      • <h3> DotEnv#
    • <h2> Modules: node:module API#
      • <h3> The Module object#
      • <h3> Module compile cache#
      • <h3> Customization Hooks#
      • <h3> Source Map Support#
    • <h2> Modules: CommonJS modules#
      • <h3> Enabling#
      • <h3> Accessing the main module#
      • <h3> Package manager tips#
      • <h3> Loading ECMAScript modules using require()#
      • <h3> All together#
      • <h3> Caching#
      • <h3> Built-in modules#
      • <h3> Cycles#
      • <h3> File modules#
      • <h3> Folders as modules#
      • <h3> Loading from node_modules folders#
      • <h3> Loading from the global folders#
      • <h3> The module wrapper#
      • <h3> The module scope#
      • <h3> The module object#
      • <h3> The Module object#
      • <h3> Source map v3 support#
    • <h2> Modules: ECMAScript modules#
      • <h3> Introduction#
      • <h3> Enabling#
      • <h3> Packages#
      • <h3> import Specifiers#
      • <h3> Import attributes#
      • <h3> Built-in modules#
      • <h3> import() expressions#
      • <h3> import.meta#
      • <h3> Interoperability with CommonJS#
      • <h3> JSON modules#
      • <h3> Wasm modules#
      • <h3> Top-level await#
      • <h3> Loaders#
      • <h3> Resolution and loading algorithm#
    • <h2> Modules: Packages#
      • <h3> Introduction#
      • <h3> Determining module system#
      • <h3> Package entry points#
      • <h3> Dual CommonJS/ES module packages#
      • <h3> Node.js package.json field definitions#
    • <h2> Modules: TypeScript#
      • <h3> Enabling#
      • <h3> Full TypeScript support#
      • <h3> Type stripping#
    • <h2> Net#
      • <h3> IPC support#
      • <h3> Class: net.BlockList#
      • <h3> Class: net.SocketAddress#
      • <h3> Class: net.Server#
      • <h3> Class: net.Socket#
      • <h3> net.connect()#
      • <h3> net.createConnection()#
      • <h3> net.createServer([options][, connectionListener])#
      • <h3> net.getDefaultAutoSelectFamily()#
      • <h3> net.setDefaultAutoSelectFamily(value)#
      • <h3> net.getDefaultAutoSelectFamilyAttemptTimeout()#
      • <h3> net.setDefaultAutoSelectFamilyAttemptTimeout(value)#
      • <h3> net.isIP(input)#
      • <h3> net.isIPv4(input)#
      • <h3> net.isIPv6(input)#
    • <h2> Node-API#
      • <h3> Writing addons in various programming languages#
      • <h3> Implications of ABI stability#
      • <h3> Building#
      • <h3> Usage#
      • <h3> Node-API version matrix#
      • <h3> Environment life cycle APIs#
      • <h3> Basic Node-API data types#
      • <h3> Error handling#
      • <h3> Object lifetime management#
      • <h3> Module registration#
      • <h3> Working with JavaScript values#
      • <h3> Working with JavaScript values and abstract operations#
      • <h3> Working with JavaScript properties#
      • <h3> Working with JavaScript functions#
      • <h3> Object wrap#
      • <h3> Simple asynchronous operations#
      • <h3> Custom asynchronous operations#
      • <h3> Version management#
      • <h3> Memory management#
      • <h3> Promises#
      • <h3> Script execution#
      • <h3> libuv event loop#
      • <h3> Asynchronous thread-safe function calls#
      • <h3> Miscellaneous utilities#
    • <h2> OS#
      • <h3> os.EOL#
      • <h3> os.availableParallelism()#
      • <h3> os.arch()#
      • <h3> os.constants#
      • <h3> os.cpus()#
      • <h3> os.devNull#
      • <h3> os.endianness()#
      • <h3> os.freemem()#
      • <h3> os.getPriority([pid])#
      • <h3> os.homedir()#
      • <h3> os.hostname()#
      • <h3> os.loadavg()#
      • <h3> os.machine()#
      • <h3> os.networkInterfaces()#
      • <h3> os.platform()#
      • <h3> os.release()#
      • <h3> os.setPriority([pid, ]priority)#
      • <h3> os.tmpdir()#
      • <h3> os.totalmem()#
      • <h3> os.type()#
      • <h3> os.uptime()#
      • <h3> os.userInfo([options])#
      • <h3> os.version()#
      • <h3> OS constants#
    • <h2> Path#
      • <h3> Windows vs. POSIX#
      • <h3> path.basename(path[, suffix])#
      • <h3> path.delimiter#
      • <h3> path.dirname(path)#
      • <h3> path.extname(path)#
      • <h3> path.format(pathObject)#
      • <h3> path.matchesGlob(path, pattern)#
      • <h3> path.isAbsolute(path)#
      • <h3> path.join([...paths])#
      • <h3> path.normalize(path)#
      • <h3> path.parse(path)#
      • <h3> path.posix#
      • <h3> path.relative(from, to)#
      • <h3> path.resolve([...paths])#
      • <h3> path.sep#
      • <h3> path.toNamespacedPath(path)#
      • <h3> path.win32#
    • <h2> Performance measurement APIs#
      • <h3> perf_hooks.performance#
      • <h3> Class: PerformanceEntry#
      • <h3> Class: PerformanceMark#
      • <h3> Class: PerformanceMeasure#
      • <h3> Class: PerformanceNodeEntry#
      • <h3> Class: PerformanceNodeTiming#
      • <h3> Class: PerformanceResourceTiming#
      • <h3> Class: PerformanceObserver#
      • <h3> Class: PerformanceObserverEntryList#
      • <h3> perf_hooks.createHistogram([options])#
      • <h3> perf_hooks.eventLoopUtilization([utilization1[, utilization2]])#
      • <h3> perf_hooks.monitorEventLoopDelay([options])#
      • <h3> perf_hooks.timerify(fn[, options])#
      • <h3> Class: Histogram#
      • <h3> Class: IntervalHistogram extends Histogram#
      • <h3> Class: RecordableHistogram extends Histogram#
      • <h3> Examples#
    • <h2> Test runner#
      • <h3> Subtests#
      • <h3> Rerunning failed tests#
      • <h3> describe() and it() aliases#
      • <h3> Skipping tests#
      • <h3> TODO tests#
      • <h3> Expecting tests to fail#
      • <h3> only tests#
      • <h3> Filtering tests by name#
      • <h3> Extraneous asynchronous activity#
      • <h3> Watch mode#
      • <h3> Global setup and teardown#
      • <h3> Running tests from the command line#
      • <h3> Collecting code coverage#
      • <h3> Mocking#
      • <h3> Snapshot testing#
      • <h3> Test reporters#
      • <h3> run([options])#
      • <h3> suite([name][, options][, fn])#
      • <h3> suite.skip([name][, options][, fn])#
      • <h3> suite.todo([name][, options][, fn])#
      • <h3> suite.only([name][, options][, fn])#
      • <h3> test([name][, options][, fn])#
      • <h3> test.skip([name][, options][, fn])#
      • <h3> test.todo([name][, options][, fn])#
      • <h3> test.only([name][, options][, fn])#
      • <h3> describe([name][, options][, fn])#
      • <h3> describe.skip([name][, options][, fn])#
      • <h3> describe.todo([name][, options][, fn])#
      • <h3> describe.only([name][, options][, fn])#
      • <h3> it([name][, options][, fn])#
      • <h3> it.skip([name][, options][, fn])#
      • <h3> it.todo([name][, options][, fn])#
      • <h3> it.only([name][, options][, fn])#
      • <h3> before([fn][, options])#
      • <h3> after([fn][, options])#
      • <h3> beforeEach([fn][, options])#
      • <h3> afterEach([fn][, options])#
      • <h3> assert#
      • <h3> snapshot#
      • <h3> Class: MockFunctionContext#
      • <h3> Class: MockModuleContext#
      • <h3> Class: MockPropertyContext#
      • <h3> Class: MockTracker#
      • <h3> Class: MockTimers#
      • <h3> Class: TestsStream#
      • <h3> Class: TestContext#
      • <h3> Class: SuiteContext#
    • <h2> Timers#
      • <h3> Class: Immediate#
      • <h3> Class: Timeout#
      • <h3> Scheduling timers#
      • <h3> Cancelling timers#
      • <h3> Timers Promises API#
    • <h2> TLS (SSL)#
      • <h3> Determining if crypto support is unavailable#
      • <h3> TLS/SSL concepts#
      • <h3> Modifying the default TLS cipher suite#
      • <h3> OpenSSL security level#
      • <h3> X509 certificate error codes#
      • <h3> Class: tls.Server#
      • <h3> Class: tls.TLSSocket#
      • <h3> tls.checkServerIdentity(hostname, cert)#
      • <h3> tls.connect(options[, callback])#
      • <h3> tls.connect(path[, options][, callback])#
      • <h3> tls.connect(port[, host][, options][, callback])#
      • <h3> tls.createSecureContext([options])#
      • <h3> tls.createServer([options][, secureConnectionListener])#
      • <h3> tls.setDefaultCACertificates(certs)#
      • <h3> tls.getCACertificates([type])#
      • <h3> tls.getCiphers()#
      • <h3> tls.rootCertificates#
      • <h3> tls.DEFAULT_ECDH_CURVE#
      • <h3> tls.DEFAULT_MAX_VERSION#
      • <h3> tls.DEFAULT_MIN_VERSION#
      • <h3> tls.DEFAULT_CIPHERS#
    • <h2> Trace events#
      • <h3> The node:trace_events module#
      • <h3> Examples#
    • <h2> TTY#
      • <h3> Class: tty.ReadStream#
      • <h3> Class: tty.WriteStream#
      • <h3> tty.isatty(fd)#
    • <h2> UDP/datagram sockets#
      • <h3> Class: dgram.Socket#
      • <h3> node:dgram module functions#
    • <h2> URL#
      • <h3> URL strings and URL objects#
      • <h3> The WHATWG URL API#
      • <h3> Legacy URL API#
      • <h3> Percent-encoding in URLs#
    • <h2> Usage and example#
      • <h3> Usage#
      • <h3> Example#
    • <h2> Util#
      • <h3> util.callbackify(original)#
      • <h3> util.convertProcessSignalToExitCode(signal)#
      • <h3> util.debuglog(section[, callback])#
      • <h3> util.debug(section)#
      • <h3> util.deprecate(fn, msg[, code[, options]])#
      • <h3> util.diff(actual, expected)#
      • <h3> util.format(format[, ...args])#
      • <h3> util.formatWithOptions(inspectOptions, format[, ...args])#
      • <h3> util.getCallSites([frameCount][, options])#
      • <h3> util.getSystemErrorName(err)#
      • <h3> util.getSystemErrorMap()#
      • <h3> util.getSystemErrorMessage(err)#
      • <h3> util.setTraceSigInt(enable)#
      • <h3> util.inherits(constructor, superConstructor)#
      • <h3> util.inspect(object[, options])#
      • <h3> util.inspect(object[, showHidden[, depth[, colors]]])#
      • <h3> util.isDeepStrictEqual(val1, val2[, options])#
      • <h3> Class: util.MIMEType#
      • <h3> Class: util.MIMEParams#
      • <h3> util.parseArgs([config])#
      • <h3> util.parseEnv(content)#
      • <h3> util.promisify(original)#
      • <h3> util.stripVTControlCharacters(str)#
      • <h3> util.styleText(format, text[, options])#
      • <h3> Class: util.TextDecoder#
      • <h3> Class: util.TextEncoder#
      • <h3> util.toUSVString(string)#
      • <h3> util.transferableAbortController()#
      • <h3> util.transferableAbortSignal(signal)#
      • <h3> util.aborted(signal, resource)#
      • <h3> util.types#
      • <h3> Deprecated APIs#
    • <h2> V8#
      • <h3> v8.cachedDataVersionTag()#
      • <h3> v8.getHeapCodeStatistics()#
      • <h3> v8.getHeapSnapshot([options])#
      • <h3> v8.getHeapSpaceStatistics()#
      • <h3> v8.getHeapStatistics()#
      • <h3> v8.getCppHeapStatistics([detailLevel])#
      • <h3> v8.queryObjects(ctor[, options])#
      • <h3> v8.setFlagsFromString(flags)#
      • <h3> v8.stopCoverage()#
      • <h3> v8.takeCoverage()#
      • <h3> v8.writeHeapSnapshot([filename[,options]])#
      • <h3> v8.setHeapSnapshotNearHeapLimit(limit)#
      • <h3> Serialization API#
      • <h3> Promise hooks#
      • <h3> Startup Snapshot API#
      • <h3> Class: v8.GCProfiler#
      • <h3> Class: SyncCPUProfileHandle#
      • <h3> Class: CPUProfileHandle#
      • <h3> Class: HeapProfileHandle#
      • <h3> v8.isStringOneByteRepresentation(content)#
      • <h3> v8.startCpuProfile()#
    • <h2> About this documentation#
      • <h3> Contributing#
      • <h3> Stability index#
      • <h3> Stability overview#
      • <h3> JSON output#
      • <h3> System calls and man pages#
    • <h2> Assert#
      • <h3> Strict assertion mode#
      • <h3> Legacy assertion mode#
      • <h3> Class: assert.AssertionError#
      • <h3> Class: assert.Assert#
      • <h3> assert(value[, message])#
      • <h3> assert.deepEqual(actual, expected[, message])#
      • <h3> assert.deepStrictEqual(actual, expected[, message])#
      • <h3> assert.doesNotMatch(string, regexp[, message])#
      • <h3> assert.doesNotReject(asyncFn[, error][, message])#
      • <h3> assert.doesNotThrow(fn[, error][, message])#
      • <h3> assert.equal(actual, expected[, message])#
      • <h3> assert.fail([message])#
      • <h3> assert.ifError(value)#
      • <h3> assert.match(string, regexp[, message])#
      • <h3> assert.notDeepEqual(actual, expected[, message])#
      • <h3> assert.notDeepStrictEqual(actual, expected[, message])#
      • <h3> assert.notEqual(actual, expected[, message])#
      • <h3> assert.notStrictEqual(actual, expected[, message])#
      • <h3> assert.ok(value[, message])#
      • <h3> assert.rejects(asyncFn[, error][, message])#
      • <h3> assert.strictEqual(actual, expected[, message])#
      • <h3> assert.throws(fn[, error][, message])#
      • <h3> assert.partialDeepStrictEqual(actual, expected[, message])#
    • <h2> Async hooks#
      • <h3> Terminology#
      • <h3> Overview#
      • <h3> async_hooks.createHook(options)#
      • <h3> Class: AsyncHook#
      • <h3> Promise execution tracking#
      • <h3> JavaScript embedder API#
      • <h3> Class: AsyncLocalStorage#
    • <h2> Asynchronous context tracking#
      • <h3> Introduction#
      • <h3> Class: AsyncLocalStorage#
      • <h3> Class: AsyncResource#
    • <h2> Buffer#
      • <h3> Buffers and character encodings#
      • <h3> Buffers and TypedArrays#
      • <h3> Buffers and iteration#
      • <h3> Class: Blob#
      • <h3> Class: Buffer#
      • <h3> Class: File#
      • <h3> node:buffer module APIs#
      • <h3> Buffer.from(), Buffer.alloc(), and Buffer.allocUnsafe()#
    • <h2> C++ addons#
      • <h3> Hello world#
      • <h3> Native abstractions for Node.js#
      • <h3> Node-API#
      • <h3> Addon examples#
    • <h2> C++ embedder API#
      • <h3> Example embedding application#
    • <h2> Child process#
      • <h3> Asynchronous process creation#
      • <h3> Synchronous process creation#
      • <h3> Class: ChildProcess#
      • <h3> maxBuffer and Unicode#
      • <h3> Shell requirements#
      • <h3> Default Windows shell#
      • <h3> Advanced serialization#
    • <h2> Cluster#
      • <h3> How it works#
      • <h3> Class: Worker#
      • <h3> Event: 'disconnect'#
      • <h3> Event: 'exit'#
      • <h3> Event: 'fork'#
      • <h3> Event: 'listening'#
      • <h3> Event: 'message'#
      • <h3> Event: 'online'#
      • <h3> Event: 'setup'#
      • <h3> cluster.disconnect([callback])#
      • <h3> cluster.fork([env])#
      • <h3> cluster.isMaster#
      • <h3> cluster.isPrimary#
      • <h3> cluster.isWorker#
      • <h3> cluster.schedulingPolicy#
      • <h3> cluster.settings#
      • <h3> cluster.setupMaster([settings])#
      • <h3> cluster.setupPrimary([settings])#
      • <h3> cluster.worker#
      • <h3> cluster.workers#
    • <h2> Command-line API#
      • <h3> Synopsis#
      • <h3> Program entry point#
      • <h3> Options#
      • <h3> Environment variables#
      • <h3> Useful V8 options#
    • <h2> Permissions#
      • <h3> Process-based permissions#
    • <h2> Process#
      • <h3> Process events#
      • <h3> process.abort()#
      • <h3> process.allowedNodeEnvironmentFlags#
      • <h3> process.arch#
      • <h3> process.argv#
      • <h3> process.argv0#
      • <h3> process.availableMemory()#
      • <h3> process.channel#
      • <h3> process.chdir(directory)#
      • <h3> process.config#
      • <h3> process.connected#
      • <h3> process.constrainedMemory()#
      • <h3> process.cpuUsage([previousValue])#
      • <h3> process.cwd()#
      • <h3> process.debugPort#
      • <h3> process.disconnect()#
      • <h3> process.dlopen(module, filename[, flags])#
      • <h3> process.emitWarning(warning[, options])#
      • <h3> process.emitWarning(warning[, type[, code]][, ctor])#
      • <h3> process.env#
      • <h3> process.execArgv#
      • <h3> process.execPath#
      • <h3> process.execve(file[, args[, env]])#
      • <h3> process.exit([code])#
      • <h3> process.exitCode#
      • <h3> process.features.cached_builtins#
      • <h3> process.features.debug#
      • <h3> process.features.inspector#
      • <h3> process.features.ipv6#
      • <h3> process.features.require_module#
      • <h3> process.features.tls#
      • <h3> process.features.tls_alpn#
      • <h3> process.features.tls_ocsp#
      • <h3> process.features.tls_sni#
      • <h3> process.features.typescript#
      • <h3> process.features.uv#
      • <h3> process.finalization.register(ref, callback)#
      • <h3> process.finalization.registerBeforeExit(ref, callback)#
      • <h3> process.finalization.unregister(ref)#
      • <h3> process.getActiveResourcesInfo()#
      • <h3> process.getBuiltinModule(id)#
      • <h3> process.getegid()#
      • <h3> process.geteuid()#
      • <h3> process.getgid()#
      • <h3> process.getgroups()#
      • <h3> process.getuid()#
      • <h3> process.hasUncaughtExceptionCaptureCallback()#
      • <h3> process.hrtime([time])#
      • <h3> process.hrtime.bigint()#
      • <h3> process.initgroups(user, extraGroup)#
      • <h3> process.kill(pid[, signal])#
      • <h3> process.loadEnvFile(path)#
      • <h3> process.mainModule#
      • <h3> process.memoryUsage()#
      • <h3> process.memoryUsage.rss()#
      • <h3> process.nextTick(callback[, ...args])#
      • <h3> process.noDeprecation#
      • <h3> process.permission#
      • <h3> process.pid#
      • <h3> process.platform#
      • <h3> process.ppid#
      • <h3> process.ref(maybeRefable)#
      • <h3> process.release#
      • <h3> process.report#
      • <h3> process.resourceUsage()#
      • <h3> process.send(message[, sendHandle[, options]][, callback])#
      • <h3> process.setegid(id)#
      • <h3> process.seteuid(id)#
      • <h3> process.setgid(id)#
      • <h3> process.setgroups(groups)#
      • <h3> process.setuid(id)#
      • <h3> process.setSourceMapsEnabled(val)#
      • <h3> process.setUncaughtExceptionCaptureCallback(fn)#
      • <h3> process.sourceMapsEnabled#
      • <h3> process.stderr#
      • <h3> process.stdin#
      • <h3> process.stdout#
      • <h3> process.throwDeprecation#
      • <h3> process.threadCpuUsage([previousValue])#
      • <h3> process.title#
      • <h3> process.traceDeprecation#
      • <h3> process.traceProcessWarnings#
      • <h3> process.umask()#
      • <h3> process.umask(mask)#
      • <h3> process.unref(maybeRefable)#
      • <h3> process.uptime()#
      • <h3> process.version#
      • <h3> process.versions#
      • <h3> Exit codes#
    • <h2> Punycode#
      • <h3> punycode.decode(string)#
      • <h3> punycode.encode(string)#
      • <h3> punycode.toASCII(domain)#
      • <h3> punycode.toUnicode(domain)#
      • <h3> punycode.ucs2#
      • <h3> punycode.version#
    • <h2> Query string#
      • <h3> querystring.decode()#
      • <h3> querystring.encode()#
      • <h3> querystring.escape(str)#
      • <h3> querystring.parse(str[, sep[, eq[, options]]])#
      • <h3> querystring.stringify(obj[, sep[, eq[, options]]])#
      • <h3> querystring.unescape(str)#
    • <h2> Readline#
      • <h3> Class: InterfaceConstructor#
      • <h3> Promises API#
      • <h3> Callback API#
      • <h3> readline.emitKeypressEvents(stream[, interface])#
      • <h3> Example: Tiny CLI#
      • <h3> Example: Read file stream line-by-Line#
      • <h3> TTY keybindings#
    • <h2> REPL#
      • <h3> Design and features#
      • <h3> Class: REPLServer#
      • <h3> repl.builtinModules#
      • <h3> repl.start([options])#
      • <h3> The Node.js REPL#
    • <h2> Single executable applications#
      • <h3> Generating single executable applications with --build-sea#
      • <h3> Single-executable application API#
      • <h3> In the injected main script#
      • <h3> Notes#
    • <h2> SQLite#
      • <h3> Class: DatabaseSync#
      • <h3> Class: Session#
      • <h3> Class: StatementSync#
      • <h3> Class: SQLTagStore#
      • <h3> sqlite.backup(sourceDb, path[, options])#
      • <h3> sqlite.constants#
    • <h2> Stream#
      • <h3> Organization of this document#
      • <h3> Types of streams#
      • <h3> API for stream consumers#
      • <h3> API for stream implementers#
      • <h3> Additional notes#
    • <h2> String decoder#
      • <h3> Class: StringDecoder#
    • <h2> VM (executing JavaScript)#
      • <h3> Class: vm.Script#
      • <h3> Class: vm.Module#
      • <h3> Class: vm.SourceTextModule#
      • <h3> Class: vm.SyntheticModule#
      • <h3> Type: ModuleRequest#
      • <h3> vm.compileFunction(code[, params[, options]])#
      • <h3> vm.constants#
      • <h3> vm.createContext([contextObject[, options]])#
      • <h3> vm.isContext(object)#
      • <h3> vm.measureMemory([options])#
      • <h3> vm.runInContext(code, contextifiedObject[, options])#
      • <h3> vm.runInNewContext(code[, contextObject[, options]])#
      • <h3> vm.runInThisContext(code[, options])#
      • <h3> Example: Running an HTTP server within a VM#
      • <h3> What does it mean to "contextify" an object?#
      • <h3> Timeout interactions with asynchronous tasks and Promises#
      • <h3> Support of dynamic import() in compilation APIs#
    • <h2> Web Crypto API#
      • <h3> Modern Algorithms in the Web Cryptography API#
      • <h3> Secure Curves in the Web Cryptography API#
      • <h3> Examples#
      • <h3> Algorithm matrix#
      • <h3> Class: Crypto#
      • <h3> Class: CryptoKey#
      • <h3> Class: CryptoKeyPair#
      • <h3> Class: SubtleCrypto#
      • <h3> Algorithm parameters#
    • <h2> Footnotes [#footnote-label]
    • <h2> Web Streams API#
      • <h3> Overview#
      • <h3> API#
    • <h2> WebAssembly System Interface (WASI)#
      • <h3> Security#
      • <h3> Class: WASI#
    • <h2> Worker threads#
      • <h3> worker_threads.getEnvironmentData(key)#
      • <h3> worker_threads.isInternalThread#
      • <h3> worker_threads.isMainThread#
      • <h3> worker_threads.markAsUntransferable(object)#
      • <h3> worker_threads.isMarkedAsUntransferable(object)#
      • <h3> worker_threads.markAsUncloneable(object)#
      • <h3> worker_threads.moveMessagePortToContext(port, contextifiedSandbox)#
      • <h3> worker_threads.parentPort#
      • <h3> worker_threads.postMessageToThread(threadId, value[, transferList][, timeout])#
      • <h3> worker_threads.receiveMessageOnPort(port)#
      • <h3> worker_threads.resourceLimits#
      • <h3> worker_threads.SHARE_ENV#
      • <h3> worker_threads.setEnvironmentData(key[, value])#
      • <h3> worker_threads.threadId#
      • <h3> worker_threads.threadName#
      • <h3> worker_threads.workerData#
      • <h3> worker_threads.locks#
      • <h3> Class: BroadcastChannel extends EventTarget#
      • <h3> Class: MessageChannel#
      • <h3> Class: MessagePort#
      • <h3> Class: Worker#
      • <h3> Notes#
    • <h2> Zlib#
      • <h3> Threadpool usage and performance considerations#
      • <h3> Compressing HTTP requests and responses#
      • <h3> Memory usage tuning#
      • <h3> Flushing#
      • <h3> Constants#
      • <h3> Class: Options#
      • <h3> Class: BrotliOptions#
      • <h3> Class: zlib.BrotliCompress#
      • <h3> Class: zlib.BrotliDecompress#
      • <h3> Class: zlib.Deflate#
      • <h3> Class: zlib.DeflateRaw#
      • <h3> Class: zlib.Gunzip#
      • <h3> Class: zlib.Gzip#
      • <h3> Class: zlib.Inflate#
      • <h3> Class: zlib.InflateRaw#
      • <h3> Class: zlib.Unzip#
      • <h3> Class: zlib.ZlibBase#
      • <h3> Class: ZstdOptions#
      • <h3> Class: zlib.ZstdCompress#
      • <h3> Class: zlib.ZstdDecompress#
      • <h3> zlib.constants#
      • <h3> zlib.crc32(data[, value])#
      • <h3> zlib.createBrotliCompress([options])#
      • <h3> zlib.createBrotliDecompress([options])#
      • <h3> zlib.createDeflate([options])#
      • <h3> zlib.createDeflateRaw([options])#
      • <h3> zlib.createGunzip([options])#
      • <h3> zlib.createGzip([options])#
      • <h3> zlib.createInflate([options])#
      • <h3> zlib.createInflateRaw([options])#
      • <h3> zlib.createUnzip([options])#
      • <h3> zlib.createZstdCompress([options])#
      • <h3> zlib.createZstdDecompress([options])#
      • <h3> Convenience methods#
    • <h2> Errors#
      • <h3> Error propagation and interception#
      • <h3> Class: Error#
      • <h3> Class: AssertionError#
      • <h3> Class: RangeError#
      • <h3> Class: ReferenceError#
      • <h3> Class: SyntaxError#
      • <h3> Class: SystemError#
      • <h3> Class: TypeError#
      • <h3> Exceptions vs. errors#
      • <h3> OpenSSL errors#
      • <h3> Node.js error codes#
      • <h3> Legacy Node.js error codes#
      • <h3> OpenSSL Error Codes#
    • <h2> Events#
      • <h3> Passing arguments and this to listeners#
      • <h3> Asynchronous vs. synchronous#
      • <h3> Handling events only once#
      • <h3> Error events#
      • <h3> Capture rejections of promises#
      • <h3> Class: EventEmitter#
      • <h3> events.defaultMaxListeners#
      • <h3> events.errorMonitor#
      • <h3> events.getEventListeners(emitterOrTarget, eventName)#
      • <h3> events.getMaxListeners(emitterOrTarget)#
      • <h3> events.once(emitter, name[, options])#
      • <h3> events.captureRejections#
      • <h3> events.captureRejectionSymbol#
      • <h3> events.listenerCount(emitterOrTarget, eventName)#
      • <h3> events.on(emitter, eventName[, options])#
      • <h3> events.setMaxListeners(n[, ...eventTargets])#
      • <h3> events.addAbortListener(signal, listener)#
      • <h3> Class: events.EventEmitterAsyncResource extends EventEmitter#
      • <h3> EventTarget and Event API#
    • <h2> File system#
      • <h3> Promise example#
      • <h3> Callback example#
      • <h3> Synchronous example#
      • <h3> Promises API#
      • <h3> Callback API#
      • <h3> Synchronous API#
      • <h3> Common Objects#
      • <h3> Notes#
    • <h2> Global objects#
      • <h3> __dirname#
      • <h3> __filename#
      • <h3> Class: AbortController#
      • <h3> Class: AbortSignal#
      • <h3> atob(data)#
      • <h3> Class: Blob#
      • <h3> Class: BroadcastChannel#
      • <h3> btoa(data)#
      • <h3> Class: Buffer#
      • <h3> Class: ByteLengthQueuingStrategy#
      • <h3> clearImmediate(immediateObject)#
      • <h3> clearInterval(intervalObject)#
      • <h3> clearTimeout(timeoutObject)#
      • <h3> Class: CloseEvent#
      • <h3> Class: CompressionStream#
      • <h3> console#
      • <h3> Class: CountQueuingStrategy#
      • <h3> Class: Crypto#
      • <h3> crypto#
      • <h3> Class: CryptoKey#
      • <h3> Class: CustomEvent#
      • <h3> Class: DecompressionStream#
      • <h3> Class: DOMException#
      • <h3> ErrorEvent#
      • <h3> Class: Event#
      • <h3> Class: EventSource#
      • <h3> Class: EventTarget#
      • <h3> exports#
      • <h3> fetch#
      • <h3> Class: File#
      • <h3> Class: FormData#
      • <h3> global#
      • <h3> Class: Headers#
      • <h3> localStorage#
      • <h3> Class: MessageChannel#
      • <h3> Class: MessageEvent#
      • <h3> Class: MessagePort#
      • <h3> module#
      • <h3> Class: Navigator#
      • <h3> navigator#
      • <h3> performance#
      • <h3> Class: PerformanceEntry#
      • <h3> Class: PerformanceMark#
      • <h3> Class: PerformanceMeasure#
      • <h3> Class: PerformanceObserver#
      • <h3> Class: PerformanceObserverEntryList#
      • <h3> Class: PerformanceResourceTiming#
      • <h3> process#
      • <h3> queueMicrotask(callback)#
      • <h3> Class: ReadableByteStreamController#
      • <h3> Class: ReadableStream#
      • <h3> Class: ReadableStreamBYOBReader#
      • <h3> Class: ReadableStreamBYOBRequest#
      • <h3> Class: ReadableStreamDefaultController#
      • <h3> Class: ReadableStreamDefaultReader#
      • <h3> Class: Request#
      • <h3> require()#
      • <h3> Class: Response#
      • <h3> sessionStorage#
      • <h3> setImmediate(callback[, ...args])#
      • <h3> setInterval(callback, delay[, ...args])#
      • <h3> setTimeout(callback, delay[, ...args])#
      • <h3> Class: Storage#
      • <h3> structuredClone(value[, options])#
      • <h3> Class: SubtleCrypto#
      • <h3> Class: TextDecoder#
      • <h3> Class: TextDecoderStream#
      • <h3> Class: TextEncoder#
      • <h3> Class: TextEncoderStream#
      • <h3> Class: TransformStream#
      • <h3> Class: TransformStreamDefaultController#
      • <h3> Class: URL#
      • <h3> Class: URLPattern#
      • <h3> Class: URLSearchParams#
      • <h3> Class: WebAssembly#
      • <h3> Class: WebSocket#
      • <h3> Class: WritableStream#
      • <h3> Class: WritableStreamDefaultController#
      • <h3> Class: WritableStreamDefaultWriter#
    • <h2> HTTP#
      • <h3> Class: http.Agent#
      • <h3> Class: http.ClientRequest#
      • <h3> Class: http.Server#
      • <h3> Class: http.ServerResponse#
      • <h3> Class: http.IncomingMessage#
      • <h3> Class: http.OutgoingMessage#
      • <h3> http.METHODS#
      • <h3> http.STATUS_CODES#
      • <h3> http.createServer([options][, requestListener])#
      • <h3> http.get(options[, callback])#
      • <h3> http.get(url[, options][, callback])#
      • <h3> http.globalAgent#
      • <h3> http.maxHeaderSize#
      • <h3> http.request(options[, callback])#
      • <h3> http.request(url[, options][, callback])#
      • <h3> http.validateHeaderName(name[, label])#
      • <h3> http.validateHeaderValue(name, value)#
      • <h3> http.setMaxIdleHTTPParsers(max)#
      • <h3> http.setGlobalProxyFromEnv([proxyEnv])#
      • <h3> Class: WebSocket#
      • <h3> Built-in Proxy Support#
    • <h2> HTTP/2#
      • <h3> Determining if crypto support is unavailable#
      • <h3> Core API#
      • <h3> Compatibility API#
      • <h3> Collecting HTTP/2 performance metrics#
      • <h3> Note on :authority and host#
    • <h2> HTTPS#
      • <h3> Determining if crypto support is unavailable#
      • <h3> Class: https.Agent#
      • <h3> Class: https.Server#
      • <h3> https.createServer([options][, requestListener])#
      • <h3> https.get(options[, callback])#
      • <h3> https.get(url[, options][, callback])#
      • <h3> https.globalAgent#
      • <h3> https.request(options[, callback])#
      • <h3> https.request(url[, options][, callback])#
    • <h2> Inspector#
      • <h3> Promises API#
      • <h3> Callback API#
      • <h3> Common Objects#
      • <h3> Integration with DevTools#
      • <h3> Support of breakpoints#
    • <h2> Internationalization support#
      • <h3> Options for building Node.js#
      • <h3> Detecting internationalization support#
8710/docs/latest/api/all.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Deprecated APIs#
      • <h3> Revoking deprecations#
      • <h3> List of deprecated APIs#
40/docs/latest/api/deprecations.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Environment Variables#
      • <h3> CLI Environment Variables#
      • <h3> process.env#
      • <h3> DotEnv#
50/docs/latest/api/environment_variables.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Net#
      • <h3> IPC support#
      • <h3> Class: net.BlockList#
      • <h3> Class: net.SocketAddress#
      • <h3> Class: net.Server#
      • <h3> Class: net.Socket#
      • <h3> net.connect()#
      • <h3> net.createConnection()#
      • <h3> net.createServer([options][, connectionListener])#
      • <h3> net.getDefaultAutoSelectFamily()#
      • <h3> net.setDefaultAutoSelectFamily(value)#
      • <h3> net.getDefaultAutoSelectFamilyAttemptTimeout()#
      • <h3> net.setDefaultAutoSelectFamilyAttemptTimeout(value)#
      • <h3> net.isIP(input)#
      • <h3> net.isIPv4(input)#
      • <h3> net.isIPv6(input)#
170/docs/latest/api/net.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Diagnostic report#
      • <h3> Usage#
      • <h3> Report Version#
      • <h3> Configuration#
      • <h3> Interaction with workers#
60/docs/latest/api/report.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Zlib#
      • <h3> Threadpool usage and performance considerations#
      • <h3> Compressing HTTP requests and responses#
      • <h3> Memory usage tuning#
      • <h3> Flushing#
      • <h3> Constants#
      • <h3> Class: Options#
      • <h3> Class: BrotliOptions#
      • <h3> Class: zlib.BrotliCompress#
      • <h3> Class: zlib.BrotliDecompress#
      • <h3> Class: zlib.Deflate#
      • <h3> Class: zlib.DeflateRaw#
      • <h3> Class: zlib.Gunzip#
      • <h3> Class: zlib.Gzip#
      • <h3> Class: zlib.Inflate#
      • <h3> Class: zlib.InflateRaw#
      • <h3> Class: zlib.Unzip#
      • <h3> Class: zlib.ZlibBase#
      • <h3> Class: ZstdOptions#
      • <h3> Class: zlib.ZstdCompress#
      • <h3> Class: zlib.ZstdDecompress#
      • <h3> zlib.constants#
      • <h3> zlib.crc32(data[, value])#
      • <h3> zlib.createBrotliCompress([options])#
      • <h3> zlib.createBrotliDecompress([options])#
      • <h3> zlib.createDeflate([options])#
      • <h3> zlib.createDeflateRaw([options])#
      • <h3> zlib.createGunzip([options])#
      • <h3> zlib.createGzip([options])#
      • <h3> zlib.createInflate([options])#
      • <h3> zlib.createInflateRaw([options])#
      • <h3> zlib.createUnzip([options])#
      • <h3> zlib.createZstdCompress([options])#
      • <h3> zlib.createZstdDecompress([options])#
      • <h3> Convenience methods#
360/docs/latest/api/zlib.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Assert#
      • <h3> Strict assertion mode#
      • <h3> Legacy assertion mode#
      • <h3> Class: assert.AssertionError#
      • <h3> Class: assert.Assert#
      • <h3> assert(value[, message])#
      • <h3> assert.deepEqual(actual, expected[, message])#
      • <h3> assert.deepStrictEqual(actual, expected[, message])#
      • <h3> assert.doesNotMatch(string, regexp[, message])#
      • <h3> assert.doesNotReject(asyncFn[, error][, message])#
      • <h3> assert.doesNotThrow(fn[, error][, message])#
      • <h3> assert.equal(actual, expected[, message])#
      • <h3> assert.fail([message])#
      • <h3> assert.ifError(value)#
      • <h3> assert.match(string, regexp[, message])#
      • <h3> assert.notDeepEqual(actual, expected[, message])#
      • <h3> assert.notDeepStrictEqual(actual, expected[, message])#
      • <h3> assert.notEqual(actual, expected[, message])#
      • <h3> assert.notStrictEqual(actual, expected[, message])#
      • <h3> assert.ok(value[, message])#
      • <h3> assert.rejects(asyncFn[, error][, message])#
      • <h3> assert.strictEqual(actual, expected[, message])#
      • <h3> assert.throws(fn[, error][, message])#
      • <h3> assert.partialDeepStrictEqual(actual, expected[, message])#
250/docs/latest/api/assert.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Permissions#
      • <h3> Process-based permissions#
30/docs/latest/api/permissions.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Console#
      • <h3> Class: Console#
      • <h3> Inspector only methods#
40/docs/latest/api/console.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> Asynchronous context tracking#
      • <h3> Introduction#
      • <h3> Class: AsyncLocalStorage#
      • <h3> Class: AsyncResource#
50/docs/latest/api/async_context.html
  • <h1> Node.js v25.8.1 documentation
    • <h2> File system#
      • <h3> Promise example#
      • <h3> Callback example#
      • <h3> Synchronous example#
      • <h3> Promises API#
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100/docs/latest/api/fs.html
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60/docs/latest/api/addons.html
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No rows found, please edit your search term.

404 URLs

StatusURL 404 🔼Found at URL
404 /docs/latest/api/WebAssembly.html/docs/latest/api/wasi.html

Redirected URLs

StatusRedirected URL 🔼Target URLFound at URL
308 /docs/latest/api/corepack.htmlhttps://github.com/nodejs/corepack#readme/docs/latest/api/documentation.html

Skipped URLs Summary

Found 69 row(s).
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Robots.txtnodejs.org1306
Not allowed hostdeveloper.mozilla.org125
Not allowed hostgithub.com78
Not allowed hostman7.org60
Not allowed hosten.wikipedia.org35
Not allowed hostwww.sqlite.org34
Not allowed hosttools.ietf.org17
Not allowed hostwww.openssl.org16
Not allowed hostwww.w3.org8
Not allowed hostchromedevtools.github.io8
Not allowed hostv8.dev6
Not allowed hostv8docs.nodesource.com5
Not allowed hosttc39.es4
Not allowed hostdocs.libuv.org4
Not allowed hostdocs.microsoft.com4
Not allowed hostsqlite.org4
Not allowed hostw3c.github.io3
Not allowed hostdocs.npmjs.com3
Not allowed hostwww.iana.org3
Not allowed hosttc39.github.io3
Not allowed hostwww.chromium.org2
Not allowed hostdeveloper.apple.com2
Not allowed hostcve.mitre.org2
Not allowed hostwww.rfc-editor.org2
Not allowed hosthtml.spec.whatwg.org2
Not allowed hostwicg.github.io2
Not allowed hostgist.github.com2
Not allowed hostchromium.googlesource.com2
Not allowed hostwww.freebsd.org1
Not allowed hostwww.owasp.org1
Not allowed hostdeveloper.microsoft.com1
Not allowed hostencoding.spec.whatwg.org1
Not allowed hostwasi.dev1
Not allowed hostuserguide.icu-project.org1
Not allowed hostv8.github.io1
Not allowed hostcurl.haxx.se1
Not allowed hostwww.typescriptlang.org1
Not allowed hostsite.icu-project.org1
Not allowed hostfetch.spec.whatwg.org1
Not allowed hostwiki.openssl.org1
Not allowed hostlinux.die.net1
Not allowed hostzlib.net1
Not allowed hostsemver.org1
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Not allowed hosttestanything.org1
Not allowed hostillumos.org1
Not allowed hostss64.com1
Not allowed hostv8project.blogspot.com1
Not allowed hostdocs.google.com1
Not allowed hosthackerone.com1
Not allowed hostwww.memorymanagement.org1
Not allowed hostwww.electronjs.org1
Not allowed hostdevelopers.google.com1
Not allowed hostnodejs.github.io1
Not allowed hostdeveloper.ibm.com1
Not allowed hostdeveloper.chrome.com1
Not allowed hosthttp2.github.io1
Not allowed hostlearn.microsoft.com1
Not allowed hostwww.npmjs.com1
Not allowed hostwiki.mozilla.org1
Not allowed hostruntime-keys.proposal.wintercg.org1
Not allowed hostelectronjs.org1
Not allowed hosthelp.github.com1
Not allowed hostwww.gnu.org1
Not allowed hosttsx.is1
Not allowed hosturl.spec.whatwg.org1
Not allowed hoststreams.spec.whatwg.org1
Not allowed hostdom.spec.whatwg.org1
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No rows found, please edit your search term.

Skipped URLs

Found 200 row(s).
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http://man7.org/linux/man-pages/man1/fg.1p.html1/docs/latest/api/readline.html
http://man7.org/linux/man-pages/man2/chmod.2.html1/docs/latest/api/all.html
http://man7.org/linux/man-pages/man2/chown.2.html1/docs/latest/api/all.html
http://man7.org/linux/man-pages/man2/close.2.html1/docs/latest/api/all.html
http://man7.org/linux/man-pages/man2/fchmod.2.html1/docs/latest/api/all.html
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http://man7.org/linux/man-pages/man2/fsync.2.html1/docs/latest/api/all.html
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import.meta/resolve1/docs/latest/api/esm.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this1/docs/latest/api/tty.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function1/docs/latest/api/util.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/debugger1/docs/latest/api/debugger.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export1/docs/latest/api/esm.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import1/docs/latest/api/esm.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import/with1/docs/latest/api/esm.html
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/throw1/docs/latest/api/domain.html
https://developer.mozilla.org/en-US/docs/Web/URI/Reference/Schemes/data1/docs/latest/api/esm.html
https://developer.mozilla.org/en-US/docs/WebAssembly1/docs/latest/api/globals.html
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Instance1/docs/latest/api/wasi.html
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Memory1/docs/latest/api/wasi.html
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Module1/docs/latest/api/all.html
https://developers.google.com/v8/1/docs/latest/api/v8.html
You have reached the hard limit of 200 rows as a protection against very large output or exhausted memory. You can change this with --rows-limit.
No rows found, please edit your search term.

TOP fastest URLs

Found 20 row(s).
Time 🔼StatusFast URL
176 ms200 /docs/latest/api/
197 ms200 /docs/latest/api/async_context.html
200 ms200 /docs/latest/api/punycode.html
202 ms200 /docs/latest/api/embedding.html
202 ms200 /docs/latest/api/zlib.html
204 ms200 /docs/latest/api/url.html
206 ms200 /docs/latest/api/v8.html
206 ms200 /docs/latest/api/repl.html
206 ms200 /docs/latest/api/readline.html
206 ms200 /docs/latest/api/perf_hooks.html
206 ms200 /docs/latest/api/dns.html
207 ms200 /docs/latest/api/modules.html
207 ms200 /docs/latest/api/sqlite.html
210 ms200 /docs/latest/api/dgram.html
211 ms200 /docs/latest/api/querystring.html
211 ms200 /docs/latest/api/tty.html
211 ms200 /docs/latest/api/util.html
212 ms200 /docs/latest/api/worker_threads.html
212 ms200 /docs/latest/api/inspector.html
213 ms200 /docs/latest/api/tls.html
No rows found, please edit your search term.

TOP slowest URLs

Found 20 row(s).
Time 🔽StatusSlow URL
3.2 s 200 /docs/latest/api/vm.html
3.2 s 200 /docs/latest/api/deprecations.html
3.1 s 200 /docs/latest/api/addons.html
3 s 200 /docs/latest/api/single-executable-applications.html
558 ms200 /docs/latest/api/all.html
392 ms200 /docs/latest/api/os.html
368 ms200 /docs/latest/api/test.html
335 ms200 /docs/latest/api/webcrypto.html
325 ms200 /docs/latest/api/timers.html
316 ms200 /docs/latest/api/permissions.html
315 ms200 /docs/latest/api/report.html
302 ms200 /docs/latest/api/child_process.html
301 ms200 /docs/latest/api/domain.html
272 ms200 /docs/latest/api/environment_variables.html
266 ms200 /docs/latest/api/intl.html
266 ms200 /docs/latest/api/tracing.html
265 ms200 /docs/latest/api/esm.html
260 ms200 /docs/latest/api/cluster.html
257 ms200 /docs/latest/api/diagnostics_channel.html
246 ms200 /docs/latest/api/webstreams.html
No rows found, please edit your search term.

Content types

Content typeURLs 🔽Total sizeTotal timeAvg timeStatus 20xStatus 30xStatus 40x
HTML6734 MB27 s414 ms 67 00
Document114 B377 ms377 ms 001
Redirect1147 B76 ms76 ms 01 0

Content types (MIME types)

Content typeURLs 🔽Total sizeTotal timeAvg timeStatus 20xStatus 30xStatus 40x
text/html; charset=utf-86734 MB27 s414 ms 67 00
text / html1147 B76 ms76 ms 01 0
text/plain;charset=UTF-8114 B377 ms377 ms 001

Source domains

DomainTotalsHTMLDocumentRedirect
nodejs.org69 / 34MB / 28s67 / 34MB / 27s1 / 14B / 377ms1 / 147B / 76ms

HTTP headers

Found 15 row(s).
Header 🔼OccursUniqueValues previewMin valueMax value
Accept-Range671bytes
Age1-[ignored generic values]1.8 hour(s)1.8 hour(s)
Cache-Control682public, max-age=3600, s-maxage=14400 (67) / private, no-cache, no-store, max-age=0, must-revalidate (1)
Cf-Cache-Status11HIT
Cf-Ray69-[ignored generic values]
Content-Length2-[ignored generic values]0 B14 B
Content-Type693text/html; charset=utf-8 (67) / text/plain;charset=UTF-8 (1) / text/html (1)
Date69-[ignored generic values]2026-03-242026-03-24
Etag67-[ignored generic values]
Last-Modified67-[ignored generic values]2026-03-112026-03-11
Location11https://github.com/nodejs/corepack#readme
Server691cloudflare
Strict-Transport-Security691max-age=31536000; includeSubDomains; preload
Vary11Accept-Encoding
X-Content-Type-Options691nosniff
No rows found, please edit your search term.

HTTP header values

Found 12 row(s).
HeaderOccursValue
Accept-Range67bytes
Cache-Control67public, max-age=3600, s-maxage=14400
Cache-Control1private, no-cache, no-store, max-age=0, must-revalidate
Cf-Cache-Status1HIT
Content-Type67text/html; charset=utf-8
Content-Type1text/plain;charset=UTF-8
Content-Type1text / html
Location1https://github.com/nodejs/corepack#readme
Server69cloudflare
Strict-Transport-Security69max-age=31536000; includeSubDomains; preload
Vary1Accept-Encoding
X-Content-Type-Options69nosniff
No rows found, please edit your search term.

HTTP Caching by content type (only from crawlable domains)

Content typeCache typeURLs 🔽AVG lifetimeMIN lifetimeMAX lifetime
HTMLCache-Control + ETag + Last-Modified6760 min60 min60 min
RedirectNo cache headers1---
DocumentCache-Control10 s 0 s 0 s

HTTP Caching by domain

DomainCache typeURLs 🔽AVG lifetimeMIN lifetimeMAX lifetime
nodejs.orgCache-Control + ETag + Last-Modified6760 min60 min60 min
nodejs.orgNo cache headers1---
nodejs.orgCache-Control10 s 0 s 0 s

HTTP Caching by domain and content type

DomainContent typeCache typeURLs 🔽AVG lifetimeMIN lifetimeMAX lifetime
nodejs.orgHTMLCache-Control + ETag + Last-Modified6760 min60 min60 min
nodejs.orgDocumentCache-Control10 s 0 s 0 s
nodejs.orgRedirectNo cache headers1---

DNS info

DNS resolving tree
nodejs.org
  IPv4: 172.66.128.70
  IPv4: 104.20.1.252
  IPv6: 2606:4700:10::ac42:8046
  IPv6: 2606:4700:10::6814:1fc
DNS server: 127.0.0.53

SSL/TLS info

InfoText
IssuerC = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
SubjectCN = *.nodejs.org
Valid fromMar 12 00:00:00 2025 GMT (VALID already 377.6 day(s))
Valid toApr 12 23:59:59 2026 GMT (VALID still for 19.4 day(s))
Supported protocolsTLSv1.2, TLSv1.3
RAW certificate outputCertificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            39:24:fc:46:19:86:c2:93:97:7d:92:d2:a9:22:c2:dd
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
        Validity
            Not Before: Mar 12 00:00:00 2025 GMT
            Not After : Apr 12 23:59:59 2026 GMT
        Subject: CN = *.nodejs.org
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (4096 bit)
                Modulus:
                    00:bf:84:c2:cd:62:7f:2f:c5:ec:c8:d1:cf:8d:f1:
                    59:11:25:85:6e:da:5e:42:e2:77:36:c1:09:c5:45:
                    c1:73:8d:d1:db:51:8d:d9:f6:8b:11:24:02:6f:1b:
                    50:be:b3:0d:9f:e2:81:31:ac:de:cd:65:46:1d:b9:
                    92:2f:75:04:74:1b:8f:30:05:6a:bd:5d:eb:89:ea:
                    50:98:67:76:b3:0b:9e:44:a3:b9:46:b6:24:dd:92:
                    88:c9:e4:92:f4:95:2f:56:8b:78:98:2c:88:b6:59:
                    72:98:f2:cc:e0:bc:ff:f6:cb:b0:ba:c3:22:c2:7f:
                    20:11:6f:7a:f1:22:f8:ff:34:be:85:96:09:7b:d3:
                    d3:bb:71:99:74:67:45:29:ed:cd:87:56:4f:66:cb:
                    8f:b6:c8:de:80:a9:80:88:b9:0a:5a:da:bc:de:f8:
                    b7:53:1c:53:0c:79:2c:b2:7a:f8:df:2a:fd:46:69:
                    af:05:6e:59:f5:bf:db:5f:10:a7:50:0e:25:65:89:
                    fb:1b:9c:09:58:db:c4:4f:29:c7:96:8b:08:60:28:
                    64:89:c1:24:0c:e0:c0:97:f8:e1:82:73:fd:6d:d1:
                    0e:f6:6e:50:5e:7d:47:69:ec:01:8d:cc:76:90:5b:
                    3a:22:b6:74:e8:81:ba:77:27:90:47:43:58:e1:7f:
                    e2:80:2d:35:95:3d:73:82:6d:d8:72:12:fc:d2:04:
                    24:f9:1e:77:e7:5f:9f:65:d1:7c:e2:c4:d1:79:ac:
                    f8:dc:a6:93:07:e1:cc:3d:e0:c6:37:d7:b5:5c:b9:
                    b5:d5:17:ac:6d:91:0f:6d:c0:43:5e:0e:39:9c:43:
                    58:cf:70:1d:7f:0c:e5:3e:6c:0d:cf:82:40:eb:23:
                    b6:1f:06:91:fc:78:89:20:a7:b5:3a:59:9c:d8:c9:
                    18:9a:4c:43:7c:eb:6a:d6:2c:f0:65:41:1c:80:04:
                    e4:25:5c:3c:fa:d1:ce:a7:31:3d:45:78:3a:7c:e6:
                    e7:42:02:a5:bc:71:bc:a5:58:4f:4c:b2:db:e7:47:
                    67:79:b2:87:c5:40:12:39:10:6c:14:b5:b9:b1:c3:
                    5d:89:08:ca:99:6d:49:d0:99:6e:90:fc:1c:54:97:
                    df:20:2e:0c:fd:f7:95:4d:5d:48:e4:73:77:b1:60:
                    bd:5c:c7:c9:ea:72:c8:36:f9:7f:ca:ef:dd:ca:78:
                    95:b5:57:b7:eb:07:1e:39:1a:bf:1e:de:92:ea:0d:
                    73:5a:06:d0:cb:ad:6a:8b:4b:50:3a:6e:38:b8:e9:
                    1d:4c:7a:08:b6:77:93:b2:11:38:61:9a:5f:e0:ec:
                    db:9f:9b:98:44:7b:60:65:4c:f1:6b:7f:2a:da:71:
                    da:e4:c3
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
            X509v3 Subject Key Identifier: 
                18:52:63:7F:9A:03:46:95:E6:E1:9B:75:BD:49:D0:13:75:7F:6D:55
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.6449.1.2.2.7
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.1
            Authority Information Access: 
                CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
                OCSP - URI:http://ocsp.sectigo.com
            X509v3 Subject Alternative Name: 
                DNS:*.nodejs.org, DNS:nodejs.org
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 96:97:64:BF:55:58:97:AD:F7:43:87:68:37:08:42:77:
                                E9:F0:3A:D5:F6:A4:F3:36:6E:46:A4:3F:0F:CA:A9:C6
                    Timestamp : Mar 12 21:02:47.255 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:1F:01:04:B7:55:C1:EF:ED:2B:9F:7A:A9:
                                9D:B1:77:EC:E9:0E:F6:65:29:A9:8E:2C:B6:FF:14:9B:
                                1F:DE:31:97:02:21:00:E9:11:D9:CF:8B:14:54:7F:16:
                                FE:B3:A5:9F:D6:F7:F2:4B:B0:34:27:D7:46:0E:BD:38:
                                A1:39:1C:0B:B4:A0:89
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 19:86:D4:C7:28:AA:6F:FE:BA:03:6F:78:2A:4D:01:91:
                                AA:CE:2D:72:31:0F:AE:CE:5D:70:41:2D:25:4C:C7:D4
                    Timestamp : Mar 12 21:02:47.220 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:4E:80:97:9F:C9:E8:F8:02:03:C9:58:EE:
                                E0:73:B7:76:B8:32:29:60:DB:47:E9:0A:D4:BD:DA:9E:
                                D9:7B:2C:FD:02:20:41:8F:72:96:AD:BE:06:A3:0C:59:
                                18:73:80:34:53:96:95:A5:02:C4:8B:DF:09:91:2D:98:
                                EB:B7:C4:C6:C3:28
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E:
                                F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7
                    Timestamp : Mar 12 21:02:47.270 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:75:FF:0A:1F:58:13:14:32:59:23:D8:5C:
                                D3:76:9F:9C:9D:A6:E8:30:F5:6B:62:8E:C6:6C:4F:3A:
                                01:30:AC:AE:02:21:00:E8:C6:F5:46:6A:79:25:97:52:
                                E5:60:1B:D8:4B:6A:88:C7:C9:7A:D5:F4:DE:31:23:97:
                                8E:93:B4:70:81:BE:75
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        2d:ca:0d:b7:45:45:4b:88:d5:a0:c3:22:86:01:2e:a7:5b:79:
        55:ab:26:cf:a9:05:52:4c:50:45:67:87:ee:b6:6e:26:7c:91:
        d0:33:b2:c3:1d:31:28:3a:94:16:f2:95:d4:16:c7:49:f1:07:
        05:8a:19:b5:13:05:24:a3:b8:15:67:7d:ad:6a:75:0e:ec:b3:
        d6:5b:e0:33:81:e7:25:81:dd:dd:a1:95:82:0a:ad:90:6a:ac:
        85:24:94:46:28:91:4f:8c:33:44:1c:a0:82:0a:0d:64:7e:2d:
        5c:3a:aa:e7:e5:12:91:4b:7d:af:d7:c6:28:55:fb:3f:27:ed:
        f1:65:dd:aa:f4:e1:02:37:c1:ee:13:e1:ea:a6:bb:18:f5:3c:
        0d:db:e7:a3:99:18:2b:ae:db:a0:ac:3b:b0:cd:be:be:df:68:
        af:09:43:fa:ea:4a:c3:13:15:26:0a:ae:a4:e6:a5:14:99:6e:
        d5:95:6f:3c:10:06:00:11:38:1d:46:20:a4:24:4f:a6:33:93:
        85:af:cd:b4:41:5e:25:06:18:65:ae:a8:7f:c0:c7:4c:da:12:
        e9:8d:c7:5b:ed:e0:5c:e6:5b:7b:6b:0b:60:a0:3e:ea:22:ad:
        63:37:77:ca:25:ae:50:1f:69:e5:37:b8:33:7c:d6:b5:88:2f:
        13:84:96:63
RAW protocols output
=== ssl2 ===
s_client: Unknown option: -ssl2
s_client: Use -help for summary.

=== ssl3 ===
s_client: Unknown option: -ssl3
s_client: Use -help for summary.

=== tls1 ===
4077E11A7D750000:error:0A0000BF:SSL routines:tls_setup_handshake:no protocols available:../ssl/statem/statem_lib.c:104:
CONNECTED(00000003)
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 0 bytes and written 7 bytes
Verification: OK
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---

=== tls1_1 ===
4097871E45760000:error:0A0000BF:SSL routines:tls_setup_handshake:no protocols available:../ssl/statem/statem_lib.c:104:
CONNECTED(00000003)
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 0 bytes and written 7 bytes
Verification: OK
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---

=== tls1_2 ===
depth=2 C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
verify return:1
depth=1 C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
verify return:1
depth=0 CN = *.nodejs.org
verify return:1
CONNECTED(00000003)
---
Certificate chain
 0 s:CN = *.nodejs.org
   i:C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
   a:PKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA256
   v:NotBefore: Mar 12 00:00:00 2025 GMT; NotAfter: Apr 12 23:59:59 2026 GMT
 1 s:C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
   i:C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
   a:PKEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA384
   v:NotBefore: Nov  2 00:00:00 2018 GMT; NotAfter: Dec 31 23:59:59 2030 GMT
 2 s:C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
   i:C = GB, ST = Greater Manchester, L = Salford, O = Comodo CA Limited, CN = AAA Certificate Services
   a:PKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA384
   v:NotBefore: Mar 12 00:00:00 2019 GMT; NotAfter: Dec 31 23:59:59 2028 GMT
---
Server certificate
-----BEGIN CERTIFICATE-----
MIIHLDCCBhSgAwIBAgIQOST8RhmGwpOXfZLSqSLC3TANBgkqhkiG9w0BAQsFADCB
jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD
Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB
MB4XDTI1MDMxMjAwMDAwMFoXDTI2MDQxMjIzNTk1OVowFzEVMBMGA1UEAwwMKi5u
b2RlanMub3JnMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAv4TCzWJ/
L8XsyNHPjfFZESWFbtpeQuJ3NsEJxUXBc43R21GN2faLESQCbxtQvrMNn+KBMaze
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tllymPLM4Lz/9suwusMiwn8gEW968SL4/zS+hZYJe9PTu3GZdGdFKe3Nh1ZPZsuP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-----END CERTIFICATE-----
subject=CN = *.nodejs.org
issuer=C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 5725 bytes and written 292 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-CHACHA20-POLY1305
Server public key is 4096 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-CHACHA20-POLY1305
    Session-ID: C76539E6688DDEC172F6D9C4EFD4A42DF15115AD062027E6969911B83A8067E9
    Session-ID-ctx: 
    Master-Key: 21B5ABBD5B9D905225E7025B3B7A9DA55A4AD28F4BCD4C8EDFBEDE8B01C3342AAE329A56DC674819247E5A0B48F24572
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 64800 (seconds)
    TLS session ticket:
    0000 - 9f ed 9e a2 1b fe 30 fd-36 4c 99 ac f4 5a 39 67   ......0.6L...Z9g
    0010 - e3 b7 34 46 74 84 d7 4c-b1 c7 f0 9b e6 b4 14 3a   ..4Ft..L.......:
    0020 - a1 03 93 6e bd 1f 72 59-ba 6c 5d 1c 3d dc 28 31   ...n..rY.l].=.(1
    0030 - f4 6d 6a 3e c5 ea c9 98-d3 1e aa c1 d0 f5 a1 94   .mj>............
    0040 - a5 5d 4e 40 a6 61 d9 2c-91 3c ce 2a b8 ee 12 80   .]N@.a.,.<.*....
    0050 - 95 f4 35 1f c4 8b 72 f0-bc e9 20 7c 51 49 61 a5   ..5...r... |QIa.
    0060 - 5f a7 51 89 4c 2b e1 f3-b4 6f b3 f4 11 2a c7 bf   _.Q.L+...o...*..
    0070 - 59 7c 6c 7f 0e f3 30 35-c1 53 4a 0a b1 c8 46 04   Y|l...05.SJ...F.
    0080 - 00 73 4c ee f8 d6 82 f4-53 01 e7 4b 03 64 b2 65   .sL.....S..K.d.e
    0090 - 88 3c 86 63 51 e5 c6 75-e7 1f d9 84 f0 d2 cf b6   .<.cQ..u........
    00a0 - b5 97 e5 53 2f bc 86 df-af b0 76 ea c4 d0 b5 df   ...S/.....v.....
    00b0 - c1 4c 7e ed 78 11 08 38-29 71 2c 85 94 ea 98 16   .L~.x..8)q,.....

    Start Time: 1774358625
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE

=== tls1_3 ===
depth=2 C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
verify return:1
depth=1 C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
verify return:1
depth=0 CN = *.nodejs.org
verify return:1
CONNECTED(00000003)
---
Certificate chain
 0 s:CN = *.nodejs.org
   i:C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
   a:PKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA256
   v:NotBefore: Mar 12 00:00:00 2025 GMT; NotAfter: Apr 12 23:59:59 2026 GMT
 1 s:C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
   i:C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
   a:PKEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA384
   v:NotBefore: Nov  2 00:00:00 2018 GMT; NotAfter: Dec 31 23:59:59 2030 GMT
 2 s:C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
   i:C = GB, ST = Greater Manchester, L = Salford, O = Comodo CA Limited, CN = AAA Certificate Services
   a:PKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA384
   v:NotBefore: Mar 12 00:00:00 2019 GMT; NotAfter: Dec 31 23:59:59 2028 GMT
---
Server certificate
-----BEGIN CERTIFICATE-----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6nLINvl/yu/dyniVtVe36wceORq/Ht6S6g1zWgbQy61qi0tQOm44uOkdTHoItneT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-----END CERTIFICATE-----
subject=CN = *.nodejs.org
issuer=C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 5572 bytes and written 324 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 4096 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---
DONE

Crawler stats

Basic stats
Total execution time9 s
Total URLs69
Total size34 MB
Requests - total time28 s
Requests - avg time409 ms
Requests - min time77 ms
Requests - max time3.2 s
Requests by status200: 67
308: 1
404: 1

Analysis stats

Found 21 row(s).
Class::methodExec time 🔽Exec count
AccessibilityAnalyzer::checkMissingLabels929 ms 67
AccessibilityAnalyzer::checkMissingAriaLabels912 ms 67
BestPracticeAnalyzer::checkHeadingStructure839 ms 67
AccessibilityAnalyzer::checkMissingRoles761 ms 67
SslTlsAnalyzer::getTLSandSSLCertificateInfo670 ms 1
AccessibilityAnalyzer::checkMissingLang656 ms 67
BestPracticeAnalyzer::checkMaxDOMDepth637 ms 67
BestPracticeAnalyzer::checkNonClickablePhoneNumbers278 ms 67
BestPracticeAnalyzer::checkMissingQuotesOnAttributes200 ms 67
SecurityAnalyzer::checkHtmlSecurity36 ms 67
AccessibilityAnalyzer::checkImageAltAttributes23 ms 67
BestPracticeAnalyzer::checkInlineSvg22 ms 67
SeoAndOpenGraphAnalyzer::analyzeHeadings8 ms 1
SecurityAnalyzer::checkHeaders1 ms 67
SeoAndOpenGraphAnalyzer::analyzeSeo0 ms 1
BestPracticeAnalyzer::checkTitleUniqueness0 ms 1
BestPracticeAnalyzer::checkMetaDescriptionUniqueness0 ms 1
SeoAndOpenGraphAnalyzer::analyzeOpenGraph0 ms 1
BestPracticeAnalyzer::checkBrotliSupport0 ms 1
BestPracticeAnalyzer::checkWebpSupport0 ms 1
BestPracticeAnalyzer::checkAvifSupport0 ms 1
No rows found, please edit your search term.

Content processor stats

Found 12 row(s).
Class::methodExec time 🔽Exec count
HtmlProcessor::findUrls646 ms 68
NextJsProcessor::applyContentChangesBeforeUrlParsing155 ms 67
JavaScriptProcessor::findUrls116 ms 67
CssProcessor::findUrls5 ms 67
AstroProcessor::findUrls4 ms 67
NextJsProcessor::findUrls0 ms 67
AstroProcessor::applyContentChangesBeforeUrlParsing0 ms 67
JavaScriptProcessor::applyContentChangesBeforeUrlParsing0 ms 67
SvelteProcessor::applyContentChangesBeforeUrlParsing0 ms 67
SvelteProcessor::findUrls0 ms 67
HtmlProcessor::applyContentChangesBeforeUrlParsing0 ms 68
CssProcessor::applyContentChangesBeforeUrlParsing0 ms 67
No rows found, please edit your search term.

Crawler info

Version 2.1.0.20260317
Executed At 2026-03-24 13:23:37
Command siteone-crawler --url=https://nodejs.org/docs/latest/api/ --markdown-export-dir=/tmp/siteone-nodejs --markdown-exclude-selector=header,footer,nav,.sidebar,.menu,.breadcrumb,script,style --include-regex=/docs/latest/api/ --timeout=30 --workers=3 --disable-javascript --disable-styles --disable-fonts --disable-images --disable-files --no-color --hide-progress-bar --output=text
Hostname ubuntu-8gb-hel1-1
User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/26.0.0.0 Safari/537.36 siteone-crawler/2.1.0.20260317