I built CrawlerCheck: My own bot and AI crawler checker

Why I built my own crawler checker: My Search for the perfect crawler and bot analyzer tool

crawlercheck.com in action - checking the crawler accessibility of facebook.com
CrawlerCheck in action – checking the crawler accessibility of facebook.com

As a web developer and SEO professional, I’ve used countless tools over the years—both free and premium. While many are powerful, I always felt something was missing: clarity, speed, and reliability. I needed a tool I could trust completely, a tool that showed me exactly what it was looking for, how it found the data, and that I could be 100% confident in the results. Since I couldn’t find it, I decided to build it myself.

That’s how CrawlerCheck was born.

My goal was to create a tool that was not only fast and simple but also fundamentally transparent. The core of CrawlerCheck‘s power lies in the calculations, which are handled by Go. This ensures that every calculation is precise and reliable, giving you a level of trust that’s hard to find elsewhere.

What truly sets CrawlerCheck apart is its comprehensive bot list. I’ve personally added and continue to update a list of over 80 known bots, far more than most tools I’ve tested. This means when you run a check, you’re getting a thorough analysis that truly reflects how various crawlers interact with your site.

Ultimately, I built CrawlerCheck to be a dependable and affordable solution for professionals like me. Why pay for an expensive tool that can’t do exactly what you need? With my own crawler checker, I now have a solution that gives me complete confidence in my analysis.

crawlercheck.com in action - displaying facebook.com's user agent blockings
CrawlerCheck in action – displaying facebook.com’s user agent blockings

The best way to understand CrawlerCheck is to use it. Head over to the website and Instantly verify if Google bots and AI crawlers can access your website.

All feedback is welcome and will be greatly appreciated as I continue its development! 🫡🤞

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