Security & WAF
2,302 of the 1,000,000 top sites in our Tranco top-1M census run AWS WAF (0.2%). Amazon's web application firewall, filtering and blocking malicious HTTP traffic to protect hosted applications. Detection is homepage-level HTML/header fingerprinting, so a site can run AWS WAF 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 | amazon.co.uk | #313 (Tranco) | Find emails |
| 4 | checkpoint.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| transfermarkt.pl | #50,260 | Amazon CloudFront, Let's Encrypt, Microsoft 365 + 1 more | Find emails |
| rws.com | #50,467 | Amazon (ACM), Amazon CloudFront, Cloudflare + 1 more | Find emails |
| transfermarkt.com.ar | #50,797 | Amazon CloudFront, Let's Encrypt, Microsoft 365 + 1 more | Find emails |
| #338 (Tranco) |
| Find emails |
| 5 | espn.com | #425 (Tranco) | Find emails |
| gridoto.com | #50,801 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| go2senkyo.com | #50,837 | Amazon (ACM), Amazon Route 53, Amazon Web Services + 1 more | Find emails |
| stihl.com | #51,362 | Amazon CloudFront, Microsoft 365, AWS WAF CAPTCHA | Find emails |
| dofus.com | #51,425 | Amazon (ACM), Amazon CloudFront, Microsoft 365 + 1 more | Find emails |
| espn.com.sg | #51,889 | Amazon CloudFront, Amazon Route 53, Sectigo + 1 more | Find emails |
| vatera.hu | #52,740 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| hcommons.org | #53,368 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 10 more | Find emails |
| adzuna.fr | #53,404 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| ewu.edu | #53,445 | Amazon (ACM), Amazon Route 53, Amazon Web Services + 2 more | Find emails |
| stedelijk.nl | #53,992 | Amazon CloudFront, Microsoft 365, Sectigo + 1 more | Find emails |
| byoinnavi.jp | #54,039 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| kicker.at | #54,051 | Amazon CloudFront, Amazon Route 53, Microsoft 365 + 2 more | Find emails |
| kentlive.news | #54,108 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 14 more | Find emails |
| lolchess.gg | #54,118 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| ok.co.uk | #54,125 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 14 more | Find emails |
| wellcome.org | #54,138 | Amazon CloudFront, Amazon Route 53, Microsoft 365 + 2 more | Find emails |
| somersetlive.co.uk | #54,428 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| moe.gov.sg | #54,515 | Akamai Edge DNS, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| aryeo.com | #55,372 | AOS, AWS Lambda, Amazon CloudFront + 21 more | Find emails |
| parkopedia.com | #55,434 | Amazon (ACM), Amazon Route 53, Amazon Web Services + 1 more | Find emails |
| worldchess.com | #55,478 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| wisebread.com | #55,631 | Amazon CloudFront, Amazon Route 53, CJ Affiliate + 16 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 →