Free tools

Check one part of your site for AI bots and answer engines. No account needed.

  • llms.txt checker

    Enter a domain to see whether it serves an llms.txt file and whether the file is well formed.

  • AI bots in robots.txt

    Enter a domain to see what its robots.txt tells AI crawlers, AI search bots and browsing agents.

  • Schema checker

    Enter a domain to check the JSON-LD structured data on its homepage.

  • Open Page Rank checker

    Enter a domain to see its Open Page Rank score, global rank and referring domains.

  • SSL checker

    Enter a domain to get its SSL/TLS grade. An outside testing service runs the test, not SagBot, and it can take several minutes.

  • AI agent checkout checker

    Enter a store's domain to see a saved result on whether AI shopping agents can reach its checkout.

  • Whois lookup

    Enter a domain to see its registrar, key dates and name servers.

  • Security headers checker

    Enter a domain to get its HTTP security grade.

  • Wayback Machine checker

    Enter a domain to see when the Wayback Machine first and last archived it.

  • Wikipedia and Wikidata checker

    Enter a domain to see whether Wikidata lists it as an official website, and whether that entry links to English Wikipedia.