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.
| # | 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 |
|---|---|---|---|
| thoughtlanes.net | #28,482 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 7 more | Find emails |
| screenmeet.com | #28,493 | AWS Lambda, Amazon CloudFront, Amazon Route 53 + 26 more | Find emails |
| answersingenesis.org | #28,507 | Adobe Fonts (Typekit), Bootstrap, Bunny CDN + 20 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | taboola.com | #187 (Tranco) | Find emails |
| medianewsgroup.com | #28,509 | Adobe Fonts (Typekit), Amazon Route 53, Let's Encrypt + 8 more | Find emails |
| qiscus.com | #28,514 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 11 more | Find emails |
| activeboard.com | #28,534 | Bootstrap, Nginx, Sectigo + 2 more | Find emails |
| mconvert.net | #28,544 | Google AdSense, Google Analytics, Google Tag Manager + 5 more | Find emails |
| eurovision.com | #28,554 | Cloudflare, Cloudflare edge/CDN, Django + 4 more | Find emails |
| gametracker.com | #28,599 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 7 more | Find emails |
| cmake.org | #28,607 | Apache, Fancybox, Google Tag Manager + 6 more | Find emails |
| proisp.no | #28,613 | Atlassian Statuspage, DoubleClick (Google Ads), Google Analytics + 10 more | Find emails |
| turk.net | #28,650 | Google Fonts, Google Tag Manager, Next.js + 2 more | Find emails |
| lyricalhost.com | #28,661 | Apache, Civic Cookie Control, Font Awesome + 11 more | Find emails |
| apsense.com | #28,670 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 5 more | Find emails |
| renaissancecreation.com | #28,681 | ASP.NET, Adobe Fonts (Typekit), Cloudflare edge/CDN + 10 more | Find emails |
| annunciogratis.net | #28,742 | AddToAny, Feedburner, Font Awesome + 11 more | Find emails |
| perfectgame.org | #28,747 | ASP.NET, Adobe Fonts (Typekit), Azure API Management + 14 more | Find emails |
| infocert.it | #28,777 | Adyen, Amazon CloudFront, Amazon Route 53 + 26 more | Find emails |
| embarcadero.com | #28,784 | AOS, Bootstrap, Cloudflare + 11 more | Find emails |
| 4s.io | #28,794 | Bootstrap, DigiCert, Google Analytics + 4 more | Find emails |
| daytondailynews.com | #28,814 | Blockthrough, Google Fonts, Google Tag Manager + 6 more | Find emails |
| expressandstar.com | #28,871 | Cloudflare Bot Management, Cloudflare edge/CDN, Dotmetrics + 10 more | Find emails |
| pjmedia.com | #28,888 | ASP.NET, Amazon Advertising, AppNexus + 17 more | Find emails |
| thesouthafrican.com | #28,909 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 11 more | Find emails |
| themezhut.com | #28,917 | Apache, Font Awesome, Google Analytics + 8 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 →