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 |
|---|---|---|---|
| exploratorium.edu | #15,301 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| drugabuse.gov | #15,542 | Amazon Web Services, AWS WAF CAPTCHA | Find emails |
| whattoexpect.com | #15,757 | Amazon (ACM), Amazon Route 53, Amazon Web Services + 1 more | Find emails |
| #338 (Tranco) |
| Find emails |
| 5 | espn.com | #425 (Tranco) | Find emails |
| fanvue.com | #15,831 | AWS Lambda, Amazon (ACM), Amazon CloudFront + 21 more | Find emails |
| uea.ac.uk | #15,851 | Amazon (ACM), Microsoft 365, AWS WAF CAPTCHA | Find emails |
| rdcu.be | #16,179 | Amazon (ACM), Amazon Web Services, Cloudflare + 1 more | Find emails |
| glovoapp.com | #16,267 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| flowroute.com | #16,304 | AdRoll, Amazon CloudFront, Amazon Route 53 + 26 more | Find emails |
| espn.co.uk | #16,382 | Amazon CloudFront, Amazon Route 53, Sectigo + 1 more | Find emails |
| snkrdunk.com | #16,533 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 6 more | Find emails |
| the-scientist.com | #16,660 | Amazon (ACM), Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| hf.co | #16,671 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| castorama.fr | #16,853 | Amazon CloudFront, Microsoft 365, AWS WAF CAPTCHA | Find emails |
| eventbrite.de | #17,094 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 19 more | Find emails |
| swarthmore.edu | #17,140 | Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| transfermarkt.it | #18,024 | Amazon CloudFront, Let's Encrypt, Microsoft 365 + 1 more | Find emails |
| zeptonow.com | #18,197 | Amazon (ACM), Amazon CloudFront, Namecheap + 1 more | Find emails |
| fontsquirrel.com | #18,353 | Amazon (ACM), Amazon CloudFront, AWS WAF CAPTCHA | Find emails |
| backcountry.com | #18,576 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| openrent.co.uk | #18,595 | AddToAny, Amazon (ACM), Amazon Route 53 + 16 more | Find emails |
| eventbrite.it | #19,195 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 19 more | Find emails |
| wikitree.com | #19,212 | Amazon (ACM), Amazon Route 53, Amazon Web Services + 1 more | Find emails |
| careeronestop.org | #19,457 | ASP.NET, Amazon (ACM), Amazon CloudFront + 8 more | Find emails |
| chroniclelive.co.uk | #19,541 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| tecconcursos.com.br | #19,599 | Amazon (ACM), Amazon Route 53, Amazon Web Services + 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 →