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relaxng.org

Name: AI agentic readiness audit of relaxng.org
Creator: MarkosWeb
License: https://www.markosweb.com/methodology/

RELAX NG home page

AI Agentic Readiness

9 / 28

agentic checks passed
42% readiness - how well this site can be read, trusted and transacted with by AI agents

Last checked
24 Aug 2026

relaxng.org is live and passes 9 of 28 agentic-readiness checks (42%). It runs on GitHub.com over HTTPS.

For AI agents, relaxng.org's strongest signals are fully indexable pages, a visually stable layout, a lightweight page, and an efficient render path. Average 79% atomic sentences across 1 pages (target 40%+).

Its main gaps are thin semantic structure, text that is hard for agents to extract, no canonical URL, and no structured tables or lists. The weakest area is Structured data; addressing it first would raise this score the most.

Agent interaction

✗Semantic HTML5 & AccessibilityMissing lang attribute on <html> tag

~Clean, Crawlable HTMLLimited semantic HTML5 usage

✗Extraction Friction ScoreFew pages have voice-friendly lead paragraphs

✓Indexability & Snippet EligibilityPages are indexable and snippet-eligible - the precondition for Google AI features is met

✓Layout Stability & ResponsivenessNo viewport meta tag on the homepage - pages will not render responsively on mobile devices

✗Canonical URL StrategyNo canonical URL tag found

✓Page Speed: Page SizeLightweight document structure

✓Page Speed: Load BlockersEfficient critical rendering path

Machine extraction

✗Table & List ExtractabilityNo HTML tables found across homepage

✓Sentence AtomicityAverage 79% atomic sentences across 1 pages (target 40%+)

✓Entity DensityAverage entity density 28.5% across 1 pages (target >15%)

✓Definition PatternsGlossary or definition list structure detected

~Answer Capsule Pattern2/8 H2 sections have 15-30 word self-contained capsules (25%)

Structured data

✗Schema.org Structured DataNo JSON-LD structured data found across homepage

✗Schema Coverage & DepthNo JSON-LD found - cannot assess schema coverage

✗Speakable SchemaNo JSON-LD found across homepage - cannot assess speakable schema

AI discovery

✗llms.txt FileNo llms.txt file found at https://relaxng.org/llms.txt (connection failed)

✗robots.txt for AI CrawlersNo robots.txt file found

✗Sitemap CompletenessNo sitemap.xml found

?RSS/Atom FeedNot assessed

✗Internationalization SignalsNo lang attribute on <html> element

?Content Licensing & AI PermissionsNot assessed

Trust & transparency

✗Entity Authority & E-E-A-TNo Organization schema to reinforce entity identity

✓Creator Transparency1/1 sampled pages provide clear visible creator attribution

~Methodology TransparencyLittle content-production or review transparency is visible

~AI Assistance DisclosureNo AI-assistance disclosure found on sampled pages (neutral - the engine cannot tell whether AI was used)

~Visible Date SignalVisible published/updated date text found across homepage

✓Title & Meta Quality1/1 pages lack a usable meta description

✗Content Freshness SignalsNo JSON-LD date properties (datePublished/dateModified) found across homepage

✗Author & Expert SchemaNo Person schema found across homepage

Every check is a verifiable fact about relaxng.org's live pages. Scoring follows Google Lighthouse agentic-browsing: a fraction of concrete checks, not an invented 0-100.

How to improve for AI agents

The highest-impact changes to make relaxng.org more agent-ready, in priority order.

1 Add structured tables and lists critical impact medium effort

Present relaxng.org's comparison and spec data as real HTML tables and lists agents can extract.

2 Add content freshness signals critical impact medium effort

Refresh and re-date relaxng.org's key pages so agents see it as maintained.

3 Strengthen entity authority (NAP) critical impact medium effort

Make relaxng.org's name, address and phone consistent and add Organization schema to anchor its identity.

4 Add JSON-LD structured data critical impact medium effort

Mark up relaxng.org's homepage with Schema.org JSON-LD (Organization, WebSite) an agent can read as facts.

Historical snapshot

From MarkosWeb's own measurement archive, recorded at an earlier check - data no other directory holds.

Estimated domain worth$31,541

Health score42.17%

Indexed pages744

Backlinks on record5,363

Homepage links28 internal · 104 external

Homepage snapshots20

Hosting thenJames Clark

RegistrarPublic Interest Registry

Name serversns1.mydyndns.org, ns2.mydyndns.org, ns3.mydyndns.org, ns4.mydyndns.org

Domain age at last check19 years and 3 months

Trust & legitimacy signals

✓Currently activeyes (HTTP 200)

✓Secure (HTTPS)yes

✓Identifiable technologyGitHub.com

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Agentic readiness for relaxng.org last checked 24 Aug 2026. Machine-readable: JSON. Method: methodology.