CAPTCHA & Bot Protection
50,387 of the 1,000,000 top sites in our Tranco top-1M census run Cloudflare Turnstile (5%). Cloudflare's non-interactive CAPTCHA replacement, bundled free with its CDN/WAF. Detection is homepage-level HTML/header fingerprinting, so a site can run Cloudflare Turnstile on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | x.com | #54 (Tranco) | Find emails |
| 2 | discord.com | #163 (Tranco) | Find emails |
| 3 | flickr.com | #172 (Tranco) | Find emails |
| 4 | soundcloud.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| ebuyer.com | #64,279 | ASP.NET, Akamai Bot Manager, Akamai edge/CDN + 10 more | Find emails |
| bigiron.com | #64,288 | AddThis, Cloudflare, Cloudflare Bot Management + 14 more | Find emails |
| kawebook.com | #64,294 | Bootstrap, Cloudflare, DMCA.com Protection + 13 more | Find emails |
| #176 (Tranco) |
| Find emails |
| 5 | medium.com | #178 (Tranco) | Find emails |
| xtremechat.com | #64,335 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| euautorecambios.es | #64,337 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| zavamed.com | #64,344 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| somoynews.tv | #64,345 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| nagapetir.co | #64,350 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| hearthpwn.com | #64,354 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| stalker.com | #64,369 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| monicavinader.com | #64,370 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| 789f27.com | #64,378 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services | Find emails |
| sz.si | #64,398 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| z8ejh47.com | #64,409 | Alibaba Cloud CDN, Cloudflare R2, Cloudflare edge/CDN + 3 more | Find emails |
| i090s19.com | #64,412 | Alibaba Cloud CDN, Cloudflare R2, Cloudflare edge/CDN + 3 more | Find emails |
| grosvenorcasinos.com | #64,435 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| adscale.com | #64,472 | AddToAny, ChatGPT Ads Pixel, Cloudflare + 16 more | Find emails |
| freeforumzone.com | #64,475 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| uaa.com | #64,510 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN | Find emails |
| peek-cloppenburg.pl | #64,513 | CSC (Digital Brand Services), Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| trustname.com | #64,545 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| zerkalo.io | #64,553 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| creativeboom.com | #64,559 | Cloudflare, Cloudflare edge/CDN, DigitalOcean Spaces + 2 more | Find emails |
| pkwteile.de | #64,568 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| nike.com.ar | #64,591 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services | Find emails |
Showing the first 10,000matches — add a filter to narrow.
From the Crawlora Website Tech Stack Dataset, a homepage-level fingerprint of a 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 25, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →