Free tools
Free AI crawler, rendering, llms.txt and FAQ schema checks
No account, no email. Check whether AI crawlers can access your site, whether your pages are server-side rendered, test your llms.txt file, and check your FAQ schema.
AI agent readiness checker
Score the public signals an AI agent needs to discover, read and use your website, with the evidence behind every point.
Three fetches · raw HTML · robots.txt · llms.txt · no LLM call
OpenAI crawler access checker
Which AI crawlers are allowed to read your page — and whether your firewall disagrees with your robots.txt.
robots.txt, parsed properly · 13 crawlers · 3 live requests
OpenSSR checker
Test whether a page is server-side rendered or client-side rendered, from its raw HTML — detects empty React/Vue/Angular root elements and framework markers.
One fetch · no browser render · React, Vue, Angular, Next.js, Nuxt, Gatsby, Remix
Openllms.txt validator & generator
Test your /llms.txt and /llms-full.txt files against standard specifications, or generate a clean starter file from your site’s navigation.
Two probes · markdown & link validation · zero-cost starter generator
OpenFAQ schema checker
Test your FAQPage JSON-LD for errors, or generate valid schema from the questions already on your page. Covers what changed when Google removed FAQ rich results.
One fetch · headings, accordions and definition lists · nothing invented
OpenThe paid part is the judgement.
This tool tells you whether an AI can read your page. The scan tells you whether what it reads answers the questions that decide a purchase — including a JavaScript-rendering comparison like this one, on the exact page you submit.
Scan a page free