AI Crawler Checker
Check if ChatGPT, Claude, and Perplexity can understand your site
This tool reads /robots.txt and /llms.txt. If direct CORS access fails, it retries through api.allorigins.win.
Quick guide
What can AI Crawler Checker help you do?
Free AI crawler checker for GPTBot, ClaudeBot, PerplexityBot, Googlebot, and llms.txt setup.
Best for
AI Crawler Checker helps with quick debugging, API data cleanup, format checks, and small code or config tasks without opening an IDE or installing a package.
How to use it
For AI Crawler Checker, paste the text, code, or configuration into the input area, choose the mode you need, and run it. For large data, test a small sample first.
How to read the result
After using AI Crawler Checker, the output is kept copy-friendly for docs, code, and config files. When validation is available, fix the reported error location before trusting the final output.
Privacy and limits
Your browser requests the entered domain’s public robots.txt and llms.txt files. Only check public sites and avoid URLs containing secrets.
For AI Crawler Checker: Developer tools are for quick inspection and conversion. They do not replace tests, linting, security review, or version control.
Frequently Asked Questions
Why do some checks fail?
Some sites block browser fetches with CORS. That does not always mean crawlers are blocked.
What is GEO?
Generative Engine Optimization helps AI answer engines understand and cite your website.