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 |
|---|---|---|---|
| amazon.com | #25 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| imdb.com | #237 | Amazon (ACM), Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| amazon.co.uk | #313 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| #338 (Tranco) |
| Find emails |
| 5 | espn.com | #425 (Tranco) | Find emails |
| checkpoint.com |
| #338 |
| 6sense, AddToAny, Amazon CloudFront + 18 more |
| Find emails |
| espn.com | #425 | Amazon CloudFront, Amazon Route 53, Microsoft 365 + 2 more | Find emails |
| eventbrite.com | #450 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 19 more | Find emails |
| ieee.org | #588 | Amazon (ACM), Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| amazon.ca | #640 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| amazon.es | #711 | Amazon CloudFront, DigiCert, AWS WAF CAPTCHA | Find emails |
| amazon.com.mx | #974 | Amazon (ACM), Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| binance.com | #978 | Amazon CloudFront, Amazon Route 53, DigiCert + 1 more | Find emails |
| redfin.com | #1,037 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| dribbble.com | #1,070 | Amazon (ACM), Amazon CloudFront, Amazon Web Services + 1 more | Find emails |
| kicker.de | #1,172 | Amazon CloudFront, Amazon Route 53, Microsoft 365 + 2 more | Find emails |
| wayground.com | #1,294 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| huggingface.co | #1,503 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| alphapolis.co.jp | #1,638 | Amazon CloudFront, Amazon Route 53, DigiCert + 1 more | Find emails |
| espn.com.ve | #1,690 | Amazon CloudFront, Amazon Route 53, Sectigo + 1 more | Find emails |
| playinboss.com | #1,768 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 2 more | Find emails |
| funinstar.com | #1,771 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| playinjeet.com | #1,920 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| nyu.edu | #2,283 | Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| klarna.com | #2,345 | Akamai Edge DNS, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| howstuffworks.com | #2,624 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| mapquest.com | #2,694 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 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 →