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 |
|---|---|---|---|
| jifflenow.com | #281,637 | 6sense, Adobe Experience Cloud (Launch), Amazon (ACM) + 16 more | Find emails |
| padgettadvisors.com | #281,964 | AWS WAF, Amazon (ACM), Amazon Web Services + 2 more | Find emails |
| asapaviationhub.com | #282,749 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| #313 (Tranco) |
| Find emails |
| 5 | checkpoint.com | #338 (Tranco) | Find emails |
| aviationstoreonline.com | #282,863 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| yumbles.com | #284,067 | AWS WAF, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| hotala.co.nz | #284,359 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| 10dollar.ca | #284,526 | AWS WAF, Amazon (ACM), Amazon Route 53 + 8 more | Find emails |
| illustrationx.com | #285,302 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| ngk.com | #285,307 | ASP.NET, Amazon (ACM), Amazon Route 53 + 7 more | Find emails |
| viagogo.fr | #285,563 | Affirm, Amazon (ACM), Amazon CloudFront + 10 more | Find emails |
| adzuna.ch | #285,838 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| integratedmilitaryparts.com | #286,204 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| conservation-us.org | #287,080 | ASP.NET, Amazon CloudFront, Amazon S3 + 20 more | Find emails |
| sourcingstreamlined.com | #287,172 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| parapuan.co | #287,780 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| techorange.com | #287,916 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 6 more | Find emails |
| timeoutabudhabi.com | #288,120 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| nativenortheastportal.com | #288,764 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| libelle.be | #289,001 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| aviationaxis.com | #289,281 | AWS WAF, Amazon (ACM), Amazon Web Services | Find emails |
| swiggy.in | #289,304 | AWS WAF, Amazon CloudFront, Amazon Route 53 | Find emails |
| rentacar.fr | #289,495 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 6 more | Find emails |
| prettylittlething.ie | #289,710 | AB Tasty, Amazon (ACM), Amazon CloudFront + 2 more | Find emails |
| kilim.com | #289,950 | AWS WAF, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| jnccn.org | #290,711 | 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 →