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 |
|---|---|---|---|
| webselfstorage.com | #163,864 | ASP.NET, Azure API Management, CSC (Digital Brand Services) + 8 more | Find emails |
| tiendasd1.com | #164,045 | Amazon CloudFront, Google Tag Manager, Let's Encrypt + 6 more | Find emails |
| gamutdx.com | #164,058 | ASP.NET, Adobe Fonts (Typekit), Cloudflare edge/CDN + 10 more | Find emails |
| #526 (Tranco) |
| Find emails |
| 5 | ups.com | #658 (Tranco) | Find emails |
| thedailynewsonline.com | #164,137 | Amazon Advertising, DoubleClick (Google Ads), Google Analytics + 9 more | Find emails |
| taosnews.com | #164,236 | DoubleClick (Google Ads), Google Fonts, Google Publisher Tag + 7 more | Find emails |
| superlive41.com | #164,666 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 9 more | Find emails |
| dcourier.com | #164,915 | Google Fonts, Google Tag Manager, Google Trust Services + 6 more | Find emails |
| citibikenyc.com | #164,994 | Amazon (ACM), Amazon CloudFront, Contentful + 6 more | Find emails |
| yorkregion.com | #165,028 | DoubleClick (Google Ads), Google Publisher Tag, Google Tag Manager + 5 more | Find emails |
| bpmsupreme.com | #165,049 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| oceane.com.br | #165,180 | Amazon CloudFront, Avis Vérifiés, Google Tag Manager + 9 more | Find emails |
| css.edu | #165,242 | AOS, Apache, Azure DNS + 7 more | Find emails |
| comcourts.gov.au | #165,252 | Apache, DigiCert, Font Awesome + 4 more | Find emails |
| unipage.net | #165,363 | Cloudflare, Google Cloud, Google Tag Manager + 9 more | Find emails |
| opcfoundation.org | #165,548 | Bootstrap, Cloudflare Bot Management, Cloudflare edge/CDN + 15 more | Find emails |
| myheritage.it | #165,644 | Amazon CloudFront, Apache, ConsentMo + 6 more | Find emails |
| uccard.co.jp | #165,652 | Amazon (ACM), Amazon CloudFront, Amazon S3 + 10 more | Find emails |
| agupdate.com | #165,707 | 33Across, Advertising.com, Amazon Advertising + 40 more | Find emails |
| postregister.com | #165,749 | Blockthrough, Cloudflare edge/CDN, Google Fonts + 8 more | Find emails |
| diarinho.net | #166,038 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 12 more | Find emails |
| lufa.com | #166,043 | Apache, Bootstrap, Cloudflare + 14 more | Find emails |
| captimes.com | #166,093 | DoubleClick (Google Ads), Google Fonts, Google Publisher Tag + 7 more | Find emails |
| populiweb.com | #166,524 | Apache, Font Awesome, Google Analytics + 4 more | Find emails |
| times-news.com | #166,661 | Blockthrough, Confiant, Empower Local + 12 more | Find emails |
| wqow.com | #166,939 | Amazon Route 53, Blockthrough, Chartbeat + 7 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 →