#### #### ##### #### #### ####### #### ### #### ######### #### ###### #### ###### #### ###################### ##### #### ####### ####### ##### #### ####### ####### # #### ###################### #### #### ###### #### #### #### ## #### #### #### #### ################## #### #### ################## ================================================== # SiteOne Crawler, v2.1.0.20260317 # # Author: jan.reges@siteone.cz # ================================================== Detected terminal width 138 < 140 chars - compact mode activated. URL | Status | Type | Time | Size | Cache | Access. | Best pr. ------------------------------------------------------------------------------------------------------------------------------------ / | 200 | HTML | 47 ms | 208 kB | 0 s | 1/3/2 | 1/6 Skipped URLs Summary -------------------- No skipped URLs found. Skipped URLs ------------ No skipped URLs found. External URLs ------------- No external URLs found. Redirected URLs --------------- No redirects found. 404 URLs -------- No 404 URLs found. SSL/TLS info ------------ Info | Text --------------------------------------------------------------------------------------------------------------------------------------- Issuer | C = US, O = Let's Encrypt, CN = R13 Subject | CN = developers.openai.com Valid from | Feb 14 00:37:42 2026 GMT (VALID already 38.8 day(s)) Valid to | May 15 00:37:41 2026 GMT (VALID still for 51.2 day(s)) Supported protocols | TLSv1.2, TLSv1.3 RAW certificate output | Certificate: Data: Version: 3 (0x2) Serial Number:…a:d5:c0:4e:99: 95:6f:ae:5c RAW protocols output | === ssl2 === s_client: Unknown option: -ssl2 s_client: Use -help for su…Max Early Data: 0 --- read R BLOCK TOP fastest URLs ---------------- Time | Status | Fast URL ------------------------------------------------------------------------------------------------------------------------------------------ 47 ms | 200 | / TOP slowest URLs ---------------- Time | Status | Slow URL ------------------------------------------------------------------------------------------------------------------------------------- 47 ms | 200 | / SEO metadata ------------ This table contains large data and shows max 10 rows. To see them all, use output to HTML using `--output-html-report=tmp/myreport.html`. URL | Indexing | Title | H1 | Description | Keywords --------------------------------------------------------------------------------------------------------------------------------------- / | Allowed | OpenAI D…ers | OpenAI f…ers | Docs and…AI. | OpenGraph metadata ------------------ This table contains large data and shows max 10 rows. To see them all, use output to HTML using `--output-html-report=tmp/myreport.html`. URL | OG Title | OG Description | OG Image | Twitter Title | Twitter Description | Twitter Image -------------------------------------------------------------------------------------------------------------------------------------------------- / | OpenAI…rs | Docs an…I. | /open-graph.png | OpenAI…rs | Docs an…I. | /open-graph.png Heading structure ----------------- This table contains large data and shows max 10 rows. To see them all, use output to HTML using `--output-html-report=tmp/myreport.html`. Heading structure | Count | Errors | URL ----------------------------------------------------------------------------------------------------------------------------------------

Search the docs [#header-search-title]

Suggest…rompting Guide

Explore | 53 | 42 | / HTTP headers ------------ Header | Occurs | Unique | Values preview | Min value | Max value ---------------------------------------------------------------------------------------------------------------------------- Access-Control-Allow-Origin | 1 | 1 | * | | Age | 1 | - | [ignored generic values] | 1.1 hour(s) | 1.1 hour(s) Cache-Control | 1 | 1 | public, max-age=0, must-revalidate | | Content-Disposition | 1 | - | [ignored generic values] | | Content-Type | 1 | 1 | text/html; charset=utf-8 | | Date | 1 | - | [ignored generic values] | 2026-03-24 | 2026-03-24 Etag | 1 | - | [ignored generic values] | | Last-Modified | 1 | - | [ignored generic values] | 2026-03-24 | 2026-03-24 Server | 1 | 1 | Vercel | | Strict-Transport-Security | 1 | 1 | max-age=63072000 | | X-Vercel-Cache | 1 | 1 | HIT | | X-Vercel-Id | 1 | 1 | arn1::6qmvr-1774381625633-82ff4fea994a | | HTTP header values ------------------ Header | Occurs | Value --------------------------------------------------------------------------------------------------------------------------- Access-Control-Allow-Origin | 1 | * Cache-Control | 1 | public, max-age=0, must-revalidate Content-Type | 1 | text/html; charset=utf-8 Server | 1 | Vercel Strict-Transport-Security | 1 | max-age=63072000 X-Vercel-Cache | 1 | HIT X-Vercel-Id | 1 | arn1::6qmvr-1774381625633-82ff4fea994a HTTP Caching by content type (only from crawlable domains) ---------------------------------------------------------- Content type | Cache type | URLs | AVG lifetime | MIN lifetime | MAX lifetime ---------------------------------------------------------------------------- HTML | Cache-Control + ETag + Last-Modified | 1 | 0 s | 0 s | 0 s HTTP Caching by domain ---------------------- Domain | Cache type | URLs | AVG lifetime | MIN lifetime | MAX lifetime ------------------------------------------------------------------------------------ developers.openai.com | Cache-Control + ETag + Last-Modified | 1 | 0 s | 0 s | 0 s HTTP Caching by domain and content type --------------------------------------- Domain | Content type | Cache type | URLs | AVG lifetime | MIN lifetime | MAX lifetime --------------------------------------------------------------------------------------------------- developers.openai.com | HTML | Cache-Control + ETag + Last-Modified | 1 | 0 s | 0 s | 0 s Best practices -------------- Analysis name | OK | Notice | Warning | Critical -------------------------------------------------------------------------------- Large inline SVGs (> 5120 B) | 33 | 0 | 0 | 0 Duplicate inline SVGs (> 5 and > 1024 B) | 33 | 0 | 0 | 0 DOM depth (> 30) | 1 | 0 | 0 | 0 Invalid inline SVGs | 33 | 0 | 0 | 0 Heading structure | 1 | 0 | 2 | 0 Title uniqueness (> 10%) | 1 | 0 | 0 | 0 Description uniqueness (> 10%) | 1 | 0 | 0 | 0 Brotli support | 0 | 0 | 1 | 0 WebP support | 0 | 0 | 1 | 0 AVIF support | 0 | 0 | 1 | 0 Accessibility ------------- Analysis name | OK | Notice | Warning | Critical -------------------------------------------------------------------- Missing html lang attribute | 1 | 0 | 0 | 0 Missing aria labels | 5 | 0 | 11 | 1 Missing roles | 0 | 0 | 4 | 0 Missing image alt attributes | 13 | 0 | 1 | 0 Source domains -------------- Domain | Totals | HTML ----------------------------------------------------- developers.openai.com | 1/208kB/47ms | 1/208kB/47ms Content types ------------- Content type | URLs | Total size | Total time | Avg time | Status 20x ------------------------------------------------------------------------ HTML | 1 | 208 kB | 47 ms | 47 ms | 1 Content types (MIME types) -------------------------- Content type | URLs | Total size | Total time | Avg time | Status 20x -------------------------------------------------------------------------------------- text/html; charset=utf-8 | 1 | 208 kB | 47 ms | 47 ms | 1 DNS info -------- DNS resolving tree ------------------------------------------------------------------------ developers.openai.com 08d9e9b18d2ea32e.vercel-dns-013.com IPv4: 08d9e9b18d2ea32e.vercel-dns-013.com. IPv4: 64.239.123.1 IPv4: 64.239.109.1 DNS server: 127.0.0.53 Security -------- Header | OK | Notice | Warning | Critical | Recommendation ----------------------------------------------------------------------------------------------------------------------------------------- Content-Security-Policy | 0 | 0 | 0 | 1 | Content-Security-Policy header is not set. It…prevents XSS attacks. Access-Control-All…-Origin | 0 | 0 | 1 | 0 | Access-Control-Allow-Origin is set to '*' whic…n be a security risk. X-Frame-Options | 0 | 0 | 1 | 0 | X-Frame-Options header is not set. It prevents…deny' or 'sameorigin. X-Content-Type-Options | 0 | 0 | 1 | 0 | X-Content-Type-Options header is not set. It s…content type attacks. Referrer-Policy | 0 | 0 | 1 | 0 | Referrer-Policy header is not set. It controls…privacy and security. Feature-Policy | 0 | 0 | 1 | 0 | Feature-Policy header is not set. It allows en…ssions-Policy is set. Permissions-Policy | 0 | 0 | 1 | 0 | Permissions-Policy header is not set. It allow…eatures for security. Server | 0 | 1 | 0 | 0 | Server header is set to 'Vercel'. It is better…al used technologies. Strict-Transport-Security | 1 | 0 | 0 | 0 | X-XSS-Protection | 1 | 0 | 0 | 0 | Analysis stats -------------- Class::method | Exec time | Exec count ------------------------------------------------------------------------------- SslTlsAnalyzer::getTLSandSSLCertificateInfo | 391 ms | 1 AccessibilityAnalyzer::checkMissingAriaLabels | 7 ms | 1 AccessibilityAnalyzer::checkMissingLabels | 6 ms | 1 AccessibilityAnalyzer::checkMissingRoles | 5 ms | 1 AccessibilityAnalyzer::checkMissingLang | 4 ms | 1 BestPracticeAnalyzer::checkHeadingStructure | 3 ms | 1 BestPracticeAnalyzer::checkNonClickablePhoneNumbers | 3 ms | 1 BestPracticeAnalyzer::checkMaxDOMDepth | 2 ms | 1 BestPracticeAnalyzer::checkInlineSvg | 2 ms | 1 AccessibilityAnalyzer::checkImageAltAttributes | 1 ms | 1 SeoAndOpenGraphAnalyzer::analyzeHeadings | 1 ms | 1 BestPracticeAnalyzer::checkMissingQuotesOnAttributes | 0 ms | 1 SecurityAnalyzer::checkHtmlSecurity | 0 ms | 1 SecurityAnalyzer::checkHeaders | 0 ms | 1 SeoAndOpenGraphAnalyzer::analyzeSeo | 0 ms | 1 SeoAndOpenGraphAnalyzer::analyzeOpenGraph | 0 ms | 1 BestPracticeAnalyzer::checkTitleUniqueness | 0 ms | 1 BestPracticeAnalyzer::checkBrotliSupport | 0 ms | 1 BestPracticeAnalyzer::checkMetaDescriptionUniqueness | 0 ms | 1 BestPracticeAnalyzer::checkAvifSupport | 0 ms | 1 BestPracticeAnalyzer::checkWebpSupport | 0 ms | 1 Content processor stats ----------------------- Class::method | Exec time | Exec count ----------------------------------------------------------------------------------- AstroProcessor::findUrls | 3 ms | 1 CssProcessor::findUrls | 1 ms | 1 NextJsProcessor::applyContentChangesBeforeUrlParsing | 0 ms | 1 JavaScriptProcessor::findUrls | 0 ms | 1 HtmlProcessor::findUrls | 0 ms | 1 AstroProcessor::applyContentChangesBeforeUrlParsing | 0 ms | 1 NextJsProcessor::findUrls | 0 ms | 1 JavaScriptProcessor::applyContentChangesBeforeUrlParsing | 0 ms | 1 SvelteProcessor::applyContentChangesBeforeUrlParsing | 0 ms | 1 SvelteProcessor::findUrls | 0 ms | 1 HtmlProcessor::applyContentChangesBeforeUrlParsing | 0 ms | 1 CssProcessor::applyContentChangesBeforeUrlParsing | 0 ms | 1