edX
Site checks · 9/12 passed
Evaluated once against the site's origin: discoverability surfaces like
llms.txt, AGENTS.md, and sitemap signals.
- PASS llms-txt.exists Found llms.txt at https://www.edx.org/llms.txt
- PASS llms-txt.content-type text/plain; charset=utf-8
- PASS llms-txt.non-empty
- WARN llms-txt.md-extensions llms.txt contains no links to evaluate
- PASS robots-txt.exists https://www.edx.org/robots.txt
- PASS robots-txt.allows-ai-bots Allowed: GPTBot, ClaudeBot, CCBot, Google-Extended
- PASS robots-txt.allows-llms-txt
- PASS sitemap-xml.exists https://www.edx.org/sitemap.xml
- PASS sitemap-xml.valid urlset
- PASS sitemap-xml.has-lastmod 9523 entries with valid lastmod
- FAIL sitemap-md.exists sitemap.md not reachable
- FAIL agents-md.exists No agent skill file found
Pages · 1
Single page audited: https://www.edx.org/.
- PASS http.status-200 200
- PASS http.redirect-chain 0 hops
- PASS http.content-type-html text/html; charset=utf-8
- PASS http.no-noindex-noai no x-robots-tag
- PASS html.canonical-link https://www.edx.org
- PASS html.meta-description 116 chars
- PASS html.og-title
- PASS html.og-description
- PASS html.lang-attribute en
- PASS html.json-ld 1 block(s)
- PASS html.json-ld.date-modified 2026-05-26T04:01:27Z
- FAIL html.json-ld.breadcrumb no BreadcrumbList node
- PASS html.headings 5 headings
- PASS html.text-ratio 97.6%
- FAIL html.glossary-link no glossary/terminology link
- FAIL markdown.mirror-suffix no .md/.mdx mirror found
- FAIL markdown.alternate-link no <link rel="alternate" type="text/markdown">
- FAIL markdown.content-negotiation text/html; charset=utf-8