CAPTCHA & Bot Protection
91,344 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA (9.1%). Google's CAPTCHA/bot-scoring widget, the most widely deployed CAPTCHA by far. Detection is homepage-level HTML/header fingerprinting, so a site can run reCAPTCHA on other pages without it showing here.
Other captcha & bot protection
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | snapchat.com | #123 (Tranco) | Find emails |
| 2 | apache.org | #125 (Tranco) | Find emails |
| 3 | one.one | #160 (Tranco) | Find emails |
| 4 | w3.org |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| taboolanews.com | #6,128 | Amazon S3, Consentmanager.net, DigiCert + 20 more | Find emails |
| bidtheatre.com | #6,140 | AWS Lambda, Amazon CloudFront, Atlassian Cloud + 18 more | Find emails |
| nyaa.si | #6,150 | Bootstrap, DDoS-Guard, Font Awesome + 4 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | taboola.com | #187 (Tranco) | Find emails |
| ledauphine.com |
| #6,155 |
| AT Internet, ConsentMo, Didomi + 3 more |
| Find emails |
| academy.com | #6,187 | Adobe Fonts, Adobe Fonts (Typekit), Clarip + 6 more | Find emails |
| hostatom.com | #6,205 | All in One SEO, Cloudflare, Cloudflare edge/CDN + 13 more | Find emails |
| homedepot.ca | #6,218 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai Edge DNS + 8 more | Find emails |
| thenationalnews.com | #6,260 | Let's Encrypt, Microsoft 365, OpenResty + 2 more | Find emails |
| funnyjunk.com | #6,288 | Cloudflare, Let's Encrypt, Nginx + 1 more | Find emails |
| pro32connect.ru | #6,299 | GetSiteControl, Google Fonts, Google Tag Manager + 10 more | Find emails |
| vesselfinder.com | #6,301 | Apache, Google Analytics, Google Tag Manager + 3 more | Find emails |
| leprogres.fr | #6,330 | AT Internet, ConsentMo, Didomi + 3 more | Find emails |
| mynet.com | #6,348 | Amazon Advertising, Citrix NetScaler, Criteo + 15 more | Find emails |
| author.today | #6,372 | ASP.NET, Cloudflare, DDoS-Guard + 8 more | Find emails |
| webnode.com | #6,392 | Amazon Route 53, Cloudflare edge/CDN, Convert + 13 more | Find emails |
| fmb.la | #6,411 | Apache, Bootstrap, Font Awesome + 6 more | Find emails |
| nic.do | #6,412 | Apache, DigiCert, Google Analytics + 6 more | Find emails |
| anota.ai | #6,426 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 12 more | Find emails |
| wlvpn.com | #6,438 | Amazon CloudFront, Amazon S3, Bootstrap + 10 more | Find emails |
| hobbylobby.com | #6,441 | Amazon Route 53, Amplience, Google Tag Manager + 6 more | Find emails |
| flexport.com | #6,444 | Amazon (ACM), Amazon Route 53, Contentful + 3 more | Find emails |
| like-video.com | #6,453 | Amazon Route 53, Kong, Nginx + 2 more | Find emails |
| wyze.com | #6,467 | Bazaarvoice, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| sex.com | #6,474 | Amazon (ACM), Amazon Route 53, Google Tag Manager + 6 more | Find emails |
| tate.org.uk | #6,486 | AB Tasty, Didomi, Fastly + 7 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 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →