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 |
|---|---|---|---|
| urticariacronica.org | #846,915 | Amazon (ACM), Amazon CloudFront, Cloudflare | Find emails |
| arenalvillas.com | #847,078 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| xreservations.com | #847,269 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| #313 (Tranco) |
| Find emails |
| 5 | checkpoint.com | #338 (Tranco) | Find emails |
| ps2911.com | #847,628 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| spinjeet365.com | #848,014 | AWS WAF, Cloudflare, Cloudflare Bot Management + 3 more | Find emails |
| spinmatch99.com | #848,015 | AWS WAF, Cloudflare, Cloudflare Bot Management + 2 more | Find emails |
| baumit.com | #848,200 | AWS WAF, Amazon (ACM), Amazon Web Services + 1 more | Find emails |
| instantpartsdelivery.com | #849,447 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| aftermarketaerospares.com | #849,923 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| exec-appointments.com | #849,995 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| viagogo.dk | #850,408 | Affirm, Amazon (ACM), Amazon CloudFront + 10 more | Find emails |
| viagogo.se | #850,409 | Affirm, Amazon (ACM), Amazon CloudFront + 10 more | Find emails |
| slotsbingofun.com | #850,461 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| pelataan.com | #850,779 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 9 more | Find emails |
| coupons4games.com | #850,868 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| terappeuta.com | #850,980 | AWS WAF, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| enpareja.com | #851,026 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| gulfbluevacations.com | #851,299 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| irishvoip.com | #852,139 | AWS WAF, Amazon (ACM), Amazon Route 53 + 2 more | Find emails |
| moekemooren.com | #852,259 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| productchart.com | #852,288 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| gearheadclassics.com | #852,304 | AWS WAF, Amazon Web Services, GoDaddy | Find emails |
| gra.gov.sg | #852,418 | AWS WAF, Akamai Edge DNS, Amazon (ACM) + 1 more | Find emails |
| danielgale.com | #852,948 | AWS WAF, Amazon Route 53, Amazon Web Services + 1 more | Find emails |
| wittenbergtigers.com | #853,096 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 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 →