Security & WAF
56,180 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA v2 (5.6%). 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 |
|---|---|---|---|
| 3237.fr | #174,416 | Apache, PHP, Sectigo + 1 more | Find emails |
| luisaspagnoli.com | #174,445 | Cloudflare edge/CDN, Google Tag Manager, Salesforce Commerce Cloud + 5 more | Find emails |
| spar-mit.com | #174,454 | Criteo, Font Awesome, Let's Encrypt + 9 more | Find emails |
| #594 (Tranco) |
| Find emails |
| 5 | cdnvideo.ru | #598 (Tranco) | Find emails |
| dakine.com | #174,456 | Afterpay, Attentive, Bootstrap + 14 more | Find emails |
| pushpad.xyz | #174,485 | Amazon CloudFront, Atlassian Statuspage, Cloudflare + 7 more | Find emails |
| aes-ohio.com | #174,496 | ASP.NET, Adobe Fonts (Typekit), Azure API Management + 18 more | Find emails |
| racetrac.com | #174,515 | ASP.NET, Adobe Fonts (Typekit), Amazon CloudFront + 18 more | Find emails |
| highergov.com | #174,525 | AOS, Amazon (ACM), Amazon Route 53 + 12 more | Find emails |
| creativesites.sk | #174,534 | D3.js, Google Tag Manager, Let's Encrypt + 3 more | Find emails |
| thermoking.com | #174,550 | Adobe Experience Cloud (Launch), Amazon Route 53, Baidu Analytics + 6 more | Find emails |
| trendingcustom.com | #174,570 | Bootstrap, Cloudflare edge/CDN, Convert + 17 more | Find emails |
| chefiq.com | #174,584 | Amazon Advertising, Amazon Route 53, ArtsAI (Adxcel) + 10 more | Find emails |
| showmeyourmumu.com | #174,587 | Cloudflare edge/CDN, ConsentMo, Klaviyo + 10 more | Find emails |
| musicalics.com | #174,597 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 6 more | Find emails |
| opticauniversitaria.es | #174,612 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 18 more | Find emails |
| taxadmin.org | #174,636 | ASP.NET, Bootstrap, Cloudflare + 20 more | Find emails |
| ilacrehberi.com | #174,652 | ASP.NET, Google AdSense, Google Analytics + 7 more | Find emails |
| downpour.com | #174,667 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 5 more | Find emails |
| pornhd.pet | #174,695 | Apache, Let's Encrypt, LiveInternet (Yadro) + 1 more | Find emails |
| jmp.sh | #174,699 | AddToAny, Amazon (ACM), Amazon CloudFront + 15 more | Find emails |
| zanducare.com | #174,719 | Cloudflare edge/CDN, GoKwik, Google Analytics + 11 more | Find emails |
| laguida.it | #174,741 | Braintree, Google AdSense, Google Analytics + 11 more | Find emails |
| brickwatch.net | #174,744 | Apache, Bootstrap, Google Analytics + 5 more | Find emails |
| safelinku.com | #174,778 | Cloudflare, Cloudflare Turnstile, Cloudflare edge/CDN + 4 more | Find emails |
| limabeads.com | #174,779 | Amazon (ACM), Amazon Route 53, Apache + 9 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-2026-08-24-full), snapshot August 24, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →