{"domain":"cdc.gov","url":"https://www.markosweb.com/www/cdc.gov/","checked_at":"2026-07-07","agentic_readiness":{"passed":8,"assessed":30,"percent":41},"checks":[{"group":"Agent interaction","check":"Semantic HTML5 & Accessibility","status":"fail","detail":"Only 77% of images have alt text"},{"group":"Agent interaction","check":"Clean, Crawlable HTML","status":"partial","detail":"No H1 tag(s) found (0)"},{"group":"Agent interaction","check":"Extraction Friction Score","status":"fail","detail":"Average sentence length: 44.1 words - too long for AI snippets"},{"group":"Agent interaction","check":"Indexability & Snippet Eligibility","status":"pass","detail":"Pages are indexable and snippet-eligible - the precondition for Google AI features is met"},{"group":"Agent interaction","check":"Layout Stability & Responsiveness","status":"pass","detail":"21/22 images lack explicit width/height - the most common cause of layout shift (CLS)"},{"group":"Agent interaction","check":"Canonical URL Strategy","status":"pass","detail":"Single canonical tag present (no duplicates)"},{"group":"Agent interaction","check":"Page Speed: Page Size","status":"pass","detail":"Lightweight document structure"},{"group":"Agent interaction","check":"Page Speed: Load Blockers","status":"pass","detail":"Efficient critical rendering path"},{"group":"Machine extraction","check":"Table & List Extractability","status":"partial","detail":"No HTML tables found across homepage"},{"group":"Machine extraction","check":"Sentence Atomicity","status":"partial","detail":"Average 33% atomic sentences across 1 pages (target 40%+)"},{"group":"Machine extraction","check":"Entity Density","status":"pass","detail":"Average entity density 58.2% across 1 pages (target >15%)"},{"group":"Machine extraction","check":"Definition Patterns","status":"partial","detail":"No definition patterns in the first 2000 characters of content"},{"group":"Machine extraction","check":"Answer Capsule Pattern","status":"partial","detail":"2/5 H2 sections have 15-30 word self-contained capsules (40%)"},{"group":"Structured data","check":"Schema.org Structured Data","status":"fail","detail":"No JSON-LD structured data found across homepage"},{"group":"Structured data","check":"Schema Coverage & Depth","status":"fail","detail":"No JSON-LD found - cannot assess schema coverage"},{"group":"Structured data","check":"Speakable Schema","status":"fail","detail":"No JSON-LD found across homepage - cannot assess speakable schema"},{"group":"AI discovery","check":"llms.txt File","status":"fail","detail":"No llms.txt file found at https://cdc.gov/llms.txt (connection failed)"},{"group":"AI discovery","check":"robots.txt for AI Crawlers","status":"partial","detail":"No explicit AI crawler rules in robots.txt"},{"group":"AI discovery","check":"Sitemap Completeness","status":"fail","detail":"No sitemap.xml found"},{"group":"AI discovery","check":"RSS/Atom Feed","status":"fail","detail":"Homepage does not link to an RSS/Atom feed in <head>"},{"group":"AI discovery","check":"Internationalization Signals","status":"fail","detail":"No hreflang alternate links found"},{"group":"AI discovery","check":"Content Licensing & AI Permissions","status":"fail","detail":"No ai.txt file found"},{"group":"Trust & transparency","check":"Entity Authority & E-E-A-T","status":"pass","detail":"Social media / sameAs references found on homepage"},{"group":"Trust & transparency","check":"Creator Transparency","status":"fail","detail":"Creator visibility is weak on content-like pages"},{"group":"Trust & transparency","check":"Methodology Transparency","status":"partial","detail":"Some process transparency exists, but it is inconsistent"},{"group":"Trust & transparency","check":"AI Assistance Disclosure","status":"partial","detail":"No AI-assistance disclosure found on sampled pages (neutral - the engine cannot tell whether AI was used)"},{"group":"Trust & transparency","check":"Visible Date Signal","status":"fail","detail":"No visible date signals found across homepage (no <time> elements, no JSON-LD dates, no article meta dates)"},{"group":"Trust & transparency","check":"Title & Meta Quality","status":"pass","detail":"1/1 pages lack a usable meta description"},{"group":"Trust & transparency","check":"Content Freshness Signals","status":"fail","detail":"No JSON-LD date properties (datePublished/dateModified) found across homepage"},{"group":"Trust & transparency","check":"Author & Expert Schema","status":"fail","detail":"No Person schema found across homepage"}],"fixes":[{"title":"Add structured tables and lists","advice":"Present cdc.gov's comparison and spec data as real HTML tables and lists agents can extract.","impact":"high","effort":"low"},{"title":"Add content freshness signals","advice":"Refresh and re-date cdc.gov's key pages so agents see it as maintained.","impact":"critical","effort":"medium"},{"title":"Add JSON-LD structured data","advice":"Mark up cdc.gov's homepage with Schema.org JSON-LD (Organization, WebSite) an agent can read as facts.","impact":"critical","effort":"medium"},{"title":"Enhance author and expert schema","advice":"Add Person/author schema with credentials on cdc.gov to strengthen expertise signals.","impact":"critical","effort":"medium"}],"trust":{"live":true,"last_status":200,"https":true,"technology":null,"longevity_years":null},"historical":null,"publication":"index","method":"https://www.markosweb.com/methodology/"}