Is your website readable by AI?
Enter your website address: the tool reads your homepage, your robots.txt and your llms.txt the way an AI crawler would, then tells you what stops it from reading and citing you.
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Your answers and the tool’s result are attached to your request, so there is no need to explain everything again. Reply within 24 hours, no commitment.
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What the tool checks.
- AI crawlersYour robots.txt can allow or block each crawler. OAI-SearchBot and ChatGPT-User (ChatGPT), Claude-SearchBot and Claude-User (Claude), PerplexityBot and Perplexity-User (Perplexity) power answers and citations. GPTBot, ClaudeBot, Google-Extended, Applebot-Extended and CCBot are used for training: blocking them is a legitimate choice and does not stop you being cited.
- Content without JavaScriptThe tool counts the words in the raw HTML, before any JavaScript runs. Many AI crawlers do not run JavaScript: a site whose text only appears once scripts have loaded looks almost empty to them. The 300-word mark is the tool's own benchmark, not an official rule.
- Structured dataJSON-LD blocks (schema.org) describe your business, your services or your FAQs in a format machines can read without guessing. The tool lists the types it finds.
- Title and descriptionThe title tag and meta description summarise the page. They are often the first details a search engine or an assistant picks up.
- The llms.txt fileA text file at the root of the site that lists your key pages in Markdown. It is optional and has no effect on Google; some AI tools and agents read it. Example: this site's llms.txt.
- Content-SignalA robots.txt line proposed by Cloudflare (contentsignals.org) stating your preferences: search, AI answers, training. It is a declared preference, not a block.
Is your website hard for AI to read?
Crawlers blocked by mistake, content loaded by JavaScript, no structured data: I fix these on your website, or rebuild it if needed. Free quote.
Frequently asked questions.
Is the tool free?
Yes, with no sign-up and no email. The result appears straight on the page. To prevent abuse, each connection is limited to 10 checks per 10 minutes.
What happens to the address I enter?
The xavierkain.fr server reads your homepage, your robots.txt and your llms.txt, works out the result and sends it back to you. Nothing is stored: neither the address nor the result.
Does blocking GPTBot stop ChatGPT from citing me?
No. According to OpenAI's documentation, GPTBot is used to train models; ChatGPT search results rely on OAI-SearchBot, and visits requested by a user on ChatGPT-User. That is why the tool scores the answer crawlers and only displays the training crawlers.
Does a good score guarantee being cited by an AI?
No. The tool checks that AI can read your website. Being cited then depends on your content: clear answers, sources, up-to-date pages. See SEO for AI in 2026.