Is Your Website Blocking AI Crawlers? Check with This Free Robots.txt Analyzer

AI Bots Are Everywhere Now GPTBot, ClaudeBot, Applebot — every major AI company now has a web crawler. And websites are scrambling to block them. But how do you know if YOUR robots.txt is actually working? Most robots.txt checkers only test Googlebot. They don't tell you if GPTBot is blocked, or if your Allow/Disallow rules have priority conflicts. What I Built Robots.txt Checker — a free tool that: Fetches any site's robots.txt and parses every rule Tests specific paths against specific user-agents Supports AI bot testing — GPTBot, ChatGPT-User, ClaudeBot built into the dropdown Shows sitemaps found in the file Displays raw content for manual inspection Try It: Check google.com Paste google.com and you'll see: 4 user-agent groups with dozens of Disallow rules Sitemap references Which paths are blocked for Googlebot vs other crawlers The AI Bot Test Select GPTBot from the dropdown, enter a path like / , and see if the site blocks OpenAI's crawler. Many major sites now have: User - agen