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 |
|---|---|---|---|
| emb.gov.ph | #78,753 | Cloudflare Bot Management, Cloudflare edge/CDN, Microsoft 365 | Find emails |
| skiplagged.com | #78,767 | ChatGPT Ads Pixel, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| gdm.or.jp | #78,769 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| #176 (Tranco) |
| Find emails |
| 5 | medium.com | #178 (Tranco) | Find emails |
| sparktv.net | #78,775 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| berlinintim.de | #78,817 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| bdtheque.com | #78,823 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| blastscan.io | #78,842 | ASP.NET, Bootstrap, Cloudflare + 10 more | Find emails |
| findpenguins.com | #78,856 | Amazon (ACM), Amazon Route 53, Apache + 8 more | Find emails |
| spotmate.online | #78,886 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| mrproblogger.com | #78,893 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| kent.gov.uk | #78,904 | CSC (Digital Brand Services), Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| ac-montpellier.fr | #78,913 | Cloudflare Bot Management, Cloudflare edge/CDN | Find emails |
| like-manga.net | #78,916 | Bootstrap, Cloudflare, Cloudflare Bot Management + 11 more | Find emails |
| 3dcenter.org | #78,917 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| balluff.com | #78,933 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| yardi.com | #78,936 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| fsicomics.com | #78,960 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 7 more | Find emails |
| tnaboard.com | #78,963 | Bluesky, Cloudflare, Cloudflare Web Analytics + 5 more | Find emails |
| fragranticarabia.com | #78,977 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 3 more | Find emails |
| businesstravelnews.com | #79,003 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| readfreebooksonline.org | #79,008 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 7 more | Find emails |
| menufy.com | #79,011 | Adobe Fonts, Adobe Fonts (Typekit), Cloudflare Bot Management + 12 more | Find emails |
| globalscape.com | #79,018 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| teachmeanatomy.info | #79,040 | Adobe Fonts (Typekit), Bootstrap, Cloudflare + 14 more | Find emails |
| supergra.ua | #79,044 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | 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 →