Khan Academy
Site checks · 9/14 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.khanacademy.org/llms.txt
- WARN llms-txt.content-type Content-Type is "text/html", expected text/plain
- PASS llms-txt.non-empty
- WARN llms-txt.md-extensions llms.txt contains no links to evaluate
- PASS robots-txt.exists https://www.khanacademy.org/robots.txt
- FAIL robots-txt.allows-ai-bots Blocks: GPTBot
- PASS robots-txt.allows-llms-txt
- PASS sitemap-xml.exists https://www.khanacademy.org/sitemap.xml
- PASS sitemap-xml.valid sitemapindex
- PASS sitemap-xml.has-lastmod 200 entries with valid lastmod
- PASS sitemap-md.exists https://www.khanacademy.org/sitemap.md
- FAIL sitemap-md.has-structure sitemap.md is missing headings or links
- PASS agents-md.exists https://www.khanacademy.org/AGENTS.md
- FAIL agents-md.has-min-sections Found only: (none)
Pages · 1
Single page audited: https://www.khanacademy.org/.
- PASS http.status-200 200
- PASS http.redirect-chain 0 hops
- FAIL http.content-type-html text/html
- PASS http.no-noindex-noai no x-robots-tag
- PASS html.canonical-link https://www.khanacademy.org/
- FAIL html.meta-description missing
- FAIL html.og-title missing
- FAIL html.og-description missing
- PASS html.lang-attribute en
- FAIL html.json-ld no parseable JSON-LD found
- FAIL html.headings only 0 headings
- FAIL html.text-ratio 0.2%
- FAIL html.glossary-link no glossary/terminology link
- PASS markdown.mirror-suffix https://www.khanacademy.org/index.md
- FAIL markdown.alternate-link no <link rel="alternate" type="text/markdown">
- FAIL markdown.frontmatter missing: title, description, doc_version, last_updated
- FAIL markdown.canonical-header no Link header
- FAIL markdown.content-negotiation text/html
- FAIL markdown.sitemap-section no "## Sitemap" heading in mirror
- PASS markdown.navigation-stripped
- FAIL markdown.size-reduction markdown is larger than HTML (297295B vs 297279B)
- FAIL markdown.valid-markdown looks like HTML (HTML prologue at top of body)