Letthebots
Live tool Liveletthebots.inFree, no account
Paste any URL and find out in seconds whether ChatGPT, Claude, Perplexity and Gemini can reach and cite your site, and what's quietly blocking them.
I built it after repeatedly finding robots.txt rules and JS-only rendering blocking AI crawlers on sites I worked on, with no quick way to check. The surprise was how inconsistent crawler behaviour actually is across providers. What blocks one bot doesn't always block another.