Free tools
Three checks, no signup
They run server-side against the live URL, grade what they find, and show you every check behind the grade. Nothing is stored.
robots.txt checker
See which search and AI crawlers your robots.txt lets in.
Run the checkllms.txt checker
Check whether you publish a valid llms.txt, and what's in it.
Run the checkSite SEO checker
See the on-page signals a crawler reads on any page.
Run the checkThese run against the live URL from my server. Nothing you enter is stored or logged beyond the request itself. The written summary is generated by a language model, so the URL and the checks are sent to OpenRouter for that step — the checks and the grade are computed here and need no third party.
Want the fixes, not just the findings?
The checks tell you what's there. Working out what to do about it is the consulting.