Is your site readable to AI?
More and more people ask ChatGPT, Claude or Perplexity instead of Google. Whether your site shows up in those answers depends on a handful of technical things — and they are rarely where you would look. This check inspects your robots.txt per bot, your llms.txt, your CDN settings, and whether your page contains any text at all without JavaScript. Free, no account, and no language model involved.
What people use this for
- Check whether you accidentally block OAI-SearchBot while you only meant GPTBot
- See whether your Cloudflare settings turn away AI crawlers without it showing in robots.txt
- Measure how much text a crawler without JavaScript finds on your page
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Leave a review on Google tooFrequently asked questions
What is the difference between GPTBot and OAI-SearchBot?
GPTBot collects content to train models. OAI-SearchBot fetches pages to show them as answers inside ChatGPT, with attribution. Blocking both keeps your content out of training data and out of the answers. Blocking only GPTBot keeps you findable without being trained on. That distinction is what most organisations actually want, and it is often configured wrongly by accident.
Can you tell whether I actually appear in ChatGPT?
No, and nobody can do that reliably. What we measure is whether the road is clear: may the bot in, is there text in your HTML, is there an llms.txt. Whether a model then cites you depends on your authority, your content and the question asked — that is not a technical check.
Why do some results say 'signal' instead of a hard conclusion?
Because we want to be honest about what we can prove. A rule in robots.txt is black and white. But a test request in which we pose as GPTBot comes from our server, and security layers like Cloudflare verify bots by IP address. If we get a 403, that may mean you block AI bots — or merely that you turn away unverified bots while the real GPTBot gets in fine. Hiding that difference would make the result useless.
Isn't blocking AI crawlers a good thing, against content theft?
For training bots that is a defensible trade-off, and everyone makes it themselves. But it usually goes wrong with the bots that fetch answers: those send visitors your way, with attribution. Blocking them is like leaving Google because you do not want to be copied. This check shows the difference so you can choose per category.
Is the address I enter stored?
No. We fetch the page, run the checks and show the result. The result stays in memory for fifteen minutes so repeated checks do not keep sending traffic to your server; after that it is gone. We store no addresses or results in a database.