Security & WAF
56,626 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA v2 (5.7%). Google's challenge-response service that verifies whether a site visitor is human or a bot. Detection is homepage-level HTML/header fingerprinting, so a site can run reCAPTCHA v2 on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | apache.org | #125 (Tranco) | Find emails |
| 2 | w3.org | #184 (Tranco) | Find emails |
| 3 | pushy.io | #467 (Tranco) | Find emails |
| 4 | sharethrough.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| radiojar.com | #36,494 | Cloudflare edge/CDN, Foundation, Google Analytics + 14 more | Find emails |
| memedroid.com | #36,551 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 8 more | Find emails |
| lejsl.com | #36,565 | AT Internet, ConsentMo, Didomi + 3 more | Find emails |
| #594 (Tranco) |
| Find emails |
| 5 | cdnvideo.ru | #598 (Tranco) | Find emails |
| swanndvr.net | #36,570 | ASP.NET, Google Fonts, Let's Encrypt + 3 more | Find emails |
| ctt.pt | #36,571 | BunnyCDN, Cloudflare Bot Management, Cloudflare Web Analytics + 10 more | Find emails |
| foxtel.com.au | #36,588 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai edge/CDN + 11 more | Find emails |
| otofun.net | #36,601 | Apache, Google AdSense, Google Analytics + 9 more | Find emails |
| flyingtiger.com | #36,602 | AdRoll, CSC (Digital Brand Services), Cloudflare edge/CDN + 20 more | Find emails |
| lalsace.fr | #36,630 | AT Internet, ConsentMo, Didomi + 2 more | Find emails |
| longdo.com | #36,648 | AddThis, Backbone.js, Cloudflare + 18 more | Find emails |
| icmarkets.com | #36,654 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 12 more | Find emails |
| woodmac.com | #36,694 | Amazon Route 53, Azure API Management, Cloudflare edge/CDN + 10 more | Find emails |
| ixirhost.com | #36,695 | Bootstrap, DoubleClick (Google Ads), Font Awesome + 15 more | Find emails |
| awn.com | #36,704 | Bluesky, Broadstreet, Cloudflare + 13 more | Find emails |
| paulbunyan.net | #36,706 | Apache, Bootstrap, DoubleClick (Google Ads) + 6 more | Find emails |
| environment.gov.au | #36,757 | Akamai Bot Manager, Akamai edge/CDN, Drupal + 6 more | Find emails |
| vitekivpddns.com | #36,866 | ASP.NET, Google Fonts, Let's Encrypt + 3 more | Find emails |
| xosothantai.com | #36,879 | Google Analytics, Let's Encrypt, Microsoft IIS + 4 more | Find emails |
| estantevirtual.com.br | #36,909 | Amazon Route 53, Azion, Bootstrap + 10 more | Find emails |
| modernghana.com | #36,926 | Bootstrap, Cloudflare, Cloudflare Turnstile + 15 more | Find emails |
| kuow.org | #36,931 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 10 more | Find emails |
| surlatable.com | #36,976 | Amazon CloudFront, Amazon Route 53, Apple Pay + 15 more | Find emails |
| eurocontrol.int | #36,979 | Cloudflare Turnstile, Cloudflare edge/CDN, Drupal + 6 more | Find emails |
| usizy.com | #36,980 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 10 more | Find emails |
| triberr.com | #37,026 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 14 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 →