Security & WAF
4,094 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA Enterprise (0.4%). Google's paid, enterprise-tier bot-detection and risk-scoring service for protecting sites from automated abuse. Detection is homepage-level HTML/header fingerprinting, so a site can run reCAPTCHA Enterprise on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | snapchat.com | #123 (Tranco) | Find emails |
| 2 | scorecardresearch.com | #242 (Tranco) | Find emails |
| 3 | duolingo.com | #472 (Tranco) | Find emails |
| 4 | time.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| pdffiller.com | #12,071 | Amazon Route 53, DigiCert, Google Fonts + 9 more | Find emails |
| angelone.in | #12,126 | AppsFlyer, Cloudflare, Cloudflare edge/CDN + 14 more | Find emails |
| snapfish.com | #12,286 | Adobe Experience Cloud (Launch), Akamai edge/CDN, Akamai mPulse + 12 more | Find emails |
| #526 (Tranco) |
| Find emails |
| 5 | ups.com | #658 (Tranco) | Find emails |
| bid.cars | #12,442 | Bootstrap, Cloudflare, Cloudflare Bot Management + 11 more | Find emails |
| irishexaminer.com | #12,808 | Bootstrap, Chartbeat, Cloudflare + 17 more | Find emails |
| manyvids.com | #12,921 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| stltoday.com | #12,984 | Bluesky, DoubleClick (Google Ads), Font Awesome + 14 more | Find emails |
| languagetool.org | #13,440 | Amplitude, Apple Pay, Awin + 18 more | Find emails |
| uwm.edu | #13,650 | AddToAny, Adobe Fonts (Typekit), Apache + 14 more | Find emails |
| dialpad.com | #13,729 | Amazon Route 53, Amplitude, Cloudflare edge/CDN + 13 more | Find emails |
| minne.com | #13,754 | Amazon CloudFront, Amazon Route 53, Google Ads Conversion + 10 more | Find emails |
| setmore.com | #14,119 | Amazon Route 53, Apple Pay, Braintree + 12 more | Find emails |
| sonnen.de | #14,170 | AWS Lambda, Cloudflare edge/CDN, Google Tag Manager + 8 more | Find emails |
| cottonon.com | #14,202 | Bazaarvoice, Cloudflare edge/CDN, Google Tag Manager + 9 more | Find emails |
| nrf.com | #14,209 | BrightEdge, Google Fonts, Google Tag Manager + 8 more | Find emails |
| duetapp.net | #14,497 | AppsFlyer, Checkout.com, Google Cloud DNS + 7 more | Find emails |
| wm.com | #14,558 | Amazon CloudFront, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| urban.org | #14,640 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 12 more | Find emails |
| easemytrip.com | #14,771 | ASP.NET, AngularJS, Google Cloud DNS + 11 more | Find emails |
| bea.gov | #14,846 | ASP.NET, Azure Front Door, Bootstrap + 14 more | Find emails |
| townnews.com | #15,098 | Cloudflare, DoubleClick (Google Ads), Google Publisher Tag + 6 more | Find emails |
| doximity.com | #15,201 | Amazon CloudFront, Amazon Route 53, Bugsnag + 6 more | Find emails |
| bitflyer.com | #15,226 | ASP.NET, Akamai Bot Manager, Akamai Edge DNS + 11 more | Find emails |
| doodles.google | #15,234 | Google Cloud, Google Fonts, Google Tag Manager + 2 more | Find emails |
| nu.com.mx | #15,572 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 9 more | Find emails |
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 →