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 |
|---|---|---|---|
| hiddenparadisebeachfrontresort.com | #914,153 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| geze.hu | #914,621 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| schoolhouseconnection.org | #915,345 | AWS WAF, Amazon Web Services, Let's Encrypt | Find emails |
| #313 (Tranco) |
| Find emails |
| 5 | checkpoint.com | #338 (Tranco) | Find emails |
| viagogo.ch | #915,997 | Affirm, Amazon (ACM), Amazon CloudFront + 10 more | Find emails |
| terapify.com | #916,010 | AWS WAF, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| sidomuncul.co.id | #916,222 | AWS WAF, Amazon (ACM), Amazon Web Services + 3 more | Find emails |
| footballscotland.co.uk | #916,286 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| nsnworld.com | #917,441 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| watchfinder.se | #917,641 | AWS WAF, Amazon (ACM), Amazon CloudFront + 7 more | Find emails |
| watchfinder.ee | #917,797 | AWS WAF, Amazon (ACM), Amazon CloudFront + 7 more | Find emails |
| parishoteltravel.com | #918,088 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| casaplayacomforts.com | #918,593 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| kidsfreevacations.com | #918,672 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| crowngreen-official-canada.org | #919,331 | Amazon CloudFront, Cloudflare, Cloudflare Bot Management + 11 more | Find emails |
| ecgulls.com | #920,420 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| keope.com | #920,969 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| secretseattle.co | #921,013 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| selectvacationvillas.com | #922,586 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| cyh.com | #922,627 | AWS WAF, Amazon CloudFront | Find emails |
| hardwaredomain.com | #923,249 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| clinicallab.com | #923,336 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| thisisleicestershire.co.uk | #924,129 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| broadlineparts.com | #924,224 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| anmac.org.au | #926,137 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| astonhealth.nhs.uk | #928,128 | AWS WAF, Amazon (ACM), Amazon CloudFront | 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 →