CAPTCHA & Bot Protection
3,100 of the 1,000,000 top sites in our Tranco top-1M census run AWS WAF CAPTCHA (0.3%). Amazon's CAPTCHA challenge product, part of AWS WAF's bot-mitigation features. Detection is homepage-level HTML/header fingerprinting, so a site can run AWS WAF CAPTCHA on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | amazon.com | #25 (Tranco) | Find emails |
| 2 | imdb.com | #237 (Tranco) | Find emails |
| 3 | appsflyer.com | #302 (Tranco) | Find emails |
| 4 | amazon.co.uk |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| parkopedia.it | #566,344 | AWS WAF, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| smartbuyglasses.nl | #567,118 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| hkri.com | #567,525 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| #313 (Tranco) |
| Find emails |
| 5 | checkpoint.com | #338 (Tranco) | Find emails |
| lso.cc |
| #567,915 |
| AWS WAF, Amazon (ACM), Amazon Route 53 + 1 more |
| Find emails |
| roots.gov.sg | #568,035 | AWS WAF, Akamai Edge DNS, Amazon (ACM) + 1 more | Find emails |
| mythosvilla.com | #568,181 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| followmee.com | #568,706 | ASP.NET, Amazon (ACM), Amazon Route 53 + 4 more | Find emails |
| 3c2asports.org | #569,357 | AWS WAF, Amazon (ACM), Amazon CloudFront + 2 more | Find emails |
| debenhams.ie | #569,478 | AB Tasty, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| hi2666.com | #569,575 | ASP.NET, Amazon (ACM), Amazon CloudFront + 7 more | Find emails |
| exchangesupplies.org | #569,691 | AWS WAF, Amazon (ACM), Amazon Route 53 + 6 more | Find emails |
| 247bet.com | #570,523 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 7 more | Find emails |
| hypebeast.cn | #570,690 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| carbondalecabins.com | #571,841 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| mh-luebeck.de | #571,933 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| larcier-intersentia.com | #573,115 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| passionfroid.fr | #573,423 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| watchfinder.hk | #573,610 | AWS WAF, Amazon (ACM), Amazon CloudFront + 6 more | Find emails |
| booksc.org | #573,685 | AWS WAF, Amazon Web Services | Find emails |
| jackpot247.com | #573,767 | AWS WAF, Amazon (ACM), Amazon CloudFront + 2 more | Find emails |
| ipu.ac.jp | #574,061 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| gymnova.com | #574,157 | AWS WAF, Amazon (ACM), Amazon Web Services + 1 more | Find emails |
| orilab.jp | #574,295 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| f8betd.tv | #574,693 | ASP.NET, Amazon (ACM), Amazon CloudFront + 7 more | Find emails |
| 66333366.com | #576,275 | ASP.NET, Amazon (ACM), Amazon CloudFront + 6 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 →