- Crawlability & Access Layer 1 · Access
llms.txt Presence
llms.txt is a plain-text file published at the root of your domain (/llms.txt) that gives AI systems a curated, machine-readable map of your most important page…
Emerging / Experimental - Crawlability & Access Layer 1 · Access
AI Crawler Access
AI crawler access is whether the bots that feed AI answers — GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot, Google-Extended, and others — are actually permitt…
Established - Structured Data & Machine Readability Layer 2 · Understanding
Article Schema (JSON-LD)
Article schema in JSON-LD is structured data placed in the page head that explicitly labels a page as an article and attaches the provenance metadata AI systems…
Established
See your score on all 93 factors.
This library explains the signals. The free scan measures them on your site, across six AI platforms, and hands you the fixes in priority order.