A/B Testing & Personalization
790 of the 1,000,000 top sites in our Tranco top-1M census run AB Tasty (0.1%). An A/B testing and website personalization platform for running experiments and tailoring content to visitors. Detection is homepage-level HTML/header fingerprinting, so a site can run AB Tasty on other pages without it showing here.
Other a/b testing & personalization
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | ubi.com | #1,016 (Tranco) | Find emails |
| 2 | vivo.com | #1,124 (Tranco) | Find emails |
| 3 | wpastra.com | #1,462 (Tranco) | Find emails |
| 4 | nielsen.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| funko.com | #21,527 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 8 more | Find emails |
| hmhco.com | #21,854 | Amazon CloudFront, Amazon Route 53, Google Tag Manager + 2 more | Find emails |
| doclasse.com | #21,989 | Fastly, Foundation, Google Fonts + 7 more | Find emails |
| #2,520 (Tranco) |
| Find emails |
| 5 | ubisoft.com | #2,780 (Tranco) | Find emails |
| travelperk.com |
| #22,024 |
| Amazon (ACM), Amazon API Gateway, Amazon CloudFront + 7 more |
| Find emails |
| wwf.org.uk | #23,863 | AOS, Azure DNS, Bluesky + 16 more | Find emails |
| confluent.io | #24,435 | Amazon Route 53, Contentful, Gatsby + 9 more | Find emails |
| rspca.org.uk | #24,698 | Apache, Bootstrap, DigiCert + 10 more | Find emails |
| zonebourse.com | #24,800 | Akamai Edge DNS, Akamai edge/CDN, Didomi + 11 more | Find emails |
| balenciaga.com | #25,801 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 9 more | Find emails |
| iberostar.com | #27,093 | Akamai Edge DNS, Akamai edge/CDN, DigiCert + 3 more | Find emails |
| dolcegabbana.com | #27,223 | Akamai mPulse, Algolia, Amazon CloudFront + 39 more | Find emails |
| tno.nl | #27,720 | ASP.NET, Cloudflare edge/CDN | Find emails |
| hotel-bb.com | #28,223 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 7 more | Find emails |
| holafly.com | #28,408 | Astro, Cloudflare, Google Tag Manager + 2 more | Find emails |
| acefitness.org | #28,539 | ASP.NET, Azure DNS, Azure Front Door + 12 more | Find emails |
| ocu.org | #28,798 | Azure API Management, Cloudflare Bot Management, Cloudflare edge/CDN + 9 more | Find emails |
| eolo.it | #29,079 | AOS, Bootstrap, Cloudflare edge/CDN + 16 more | Find emails |
| prettylittlething.com | #29,280 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| guess.com | #29,457 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 6 more | Find emails |
| brooksrunning.com | #29,825 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 8 more | Find emails |
| nationalexpress.com | #29,834 | ASP.NET, Adobe Fonts (Typekit), Azure API Management + 7 more | Find emails |
| routard.com | #30,075 | AT Internet, Cloudflare, Cloudflare edge/CDN + 3 more | Find emails |
| bottegaveneta.com | #30,455 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 8 more | Find emails |
| qonto.com | #30,908 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| calzedonia.com | #31,251 | Amazon CloudFront, Cloudflare edge/CDN, DigiCert + 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 →