CDC
up 22 from 26 on 27 May 2026
Embed your badge ↗CDC scores 48 out of 100 on the a14y v0.3.0-draft scorecard. The scan checked a single page, and 48% of the applicable checks passed. The site publishes none of the core agent-discovery files: llms.txt, AGENTS.md, an XML sitemap, and a markdown sitemap.
Site checks · 3/7 passed
Evaluated once against the site's origin: discoverability surfaces like
llms.txt, AGENTS.md, and sitemap signals.
- FAIL llms-txt.exists No llms.txt or llms-full.txt found at /, /.well-known/, or /docs/
- PASS robots-txt.exists https://www.cdc.gov/robots.txt
- PASS robots-txt.allows-ai-bots Allowed: GPTBot, ClaudeBot, CCBot, Google-Extended
- PASS robots-txt.allows-llms-txt
- FAIL sitemap-xml.exists sitemap.xml not reachable
- FAIL sitemap-md.exists sitemap.md not reachable
- FAIL agents-md.exists No agent skill file found
Pages · 1
Single page audited: https://www.cdc.gov/.
- 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.cdc.gov/index.html
- FAIL html.meta-description missing
- PASS html.og-title
- FAIL html.og-description missing
- PASS html.lang-attribute en-us
- FAIL html.json-ld no parseable JSON-LD found
- PASS html.headings 5 headings
- FAIL html.text-ratio 9.0%
- 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
- PASS html.ssr-content 764 words in initial HTML
- PASS http.no-interstitial