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Can ChatGPT, Claude and Perplexity read your website?

AI assistants fetch pages with their own bots before they answer or cite anyone. An old robots.txt line, a page that only renders with JavaScript or a missing llms.txt can keep you out of their answers. Check in ten seconds, free.

19 AI crawlers, llms.txt, sitemap, JavaScript rendering, structured data and agent endpoints. Free, 10 checks a day.

What the score means

100 points over 10 checks. The biggest share (25) is whether the bots that answer people may read your site: OAI-SearchBot and ChatGPT-User, Claude-SearchBot and Claude-User, PerplexityBot, Googlebot, Bingbot and others. Blocking training bots (GPTBot, ClaudeBot, Google-Extended) does not cost you points; that's a fair choice and separate from showing up in answers.

The rest covers whether the home page loads for a plain client (15), has text without JavaScript (10), and offers llms.txt (15), a sitemap (10), robots.txt (5), a title and description (5), schema.org data (5), no noindex/noai tag (5) and agent endpoints such as an MCP server card or OpenAPI file (5). A is 85 and up, B 70, C 55, D 40.

Check many sites, or from your agent

The same check is an API and MCP tool for $0.005 a site, with 20 free calls a day on a free key. Agencies use it to audit client lists; agents use it before they rely on a site.

curl -X POST https://api.exepal.com/v1/agent-ready \
  -H "Content-Type: application/json" -H "X-Exepal-Trial: 1" \
  -d '{"domain":"acme.com"}'

API docs, MCP setup and output fields

Questions

Is this the same as SEO?
It overlaps, but it's narrower: can AI bots get in and read the page at all. Whether an assistant then recommends you is a separate question, which the free AI visibility check answers.
Why does my site say "not reachable" when it works in my browser?
Bot protection or a firewall is likely blocking non-browser clients. AI assistants hit the same wall, so it's worth allowing the verified AI search and assistant bots.
How fresh is the result?
Results are kept for 6 hours so share links and badges load fast. Fix something and check again after that to see the new score.
Do you store my site's data?
Only the result, for 6 hours. We read the same public files any crawler reads: robots.txt, sitemap, llms.txt, the home page and a few /.well-known files.