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 |
|---|---|---|---|
| sportinglife.ca | #39,357 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| x-kom.pl | #39,374 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| noordhollandsdagblad.nl | #39,384 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| #176 (Tranco) |
| Find emails |
| 5 | medium.com | #178 (Tranco) | Find emails |
| menuweb.menu | #39,386 | Cloudflare, Cloudflare edge/CDN, Google AdSense + 4 more | Find emails |
| ecstuning.com | #39,418 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| yugipedia.com | #39,419 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| forhims.com | #39,437 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| mamamia.com.au | #39,477 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| acuitybrands.com | #39,493 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services | Find emails |
| teacheron.com | #39,506 | Bootstrap, Cloudflare, Cloudflare Bot Management + 11 more | Find emails |
| youcontrol.com.ua | #39,511 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| riverfronttimes.com | #39,535 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| yabla.com | #39,544 | Bootstrap, Cloudflare, Cloudflare Bot Management + 11 more | Find emails |
| nordicsemi.com | #39,594 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| personare.com.br | #39,600 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 6 more | Find emails |
| twicsy.com | #39,640 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| mathoverflow.net | #39,645 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 8 more | Find emails |
| moneyratestoday.com | #39,647 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| government.se | #39,684 | Cloudflare Bot Management, Cloudflare edge/CDN, DigiCert | Find emails |
| lipscore.com | #39,697 | Adobe Fonts (Typekit), Amazon CloudFront, Cloudflare Bot Management + 10 more | Find emails |
| dnevnik.bg | #39,716 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| bb-shop.ro | #39,742 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| holley.com | #39,745 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| csstats.gg | #39,761 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| ur.com | #39,764 | 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 →