A/B Testing & Personalization
538 of the 1,000,000 top sites in our Tranco top-1M census run Dynamic Yield (0.1%). An ecommerce personalization and A/B-testing platform (Mastercard's). Detection is homepage-level HTML/header fingerprinting, so a site can run Dynamic Yield on other pages without it showing here.
Other a/b testing & personalization
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | hp.com | #270 (Tranco) | Find emails |
| 2 | yotpo.com | #2,277 (Tranco) | Find emails |
| 3 | nespresso.com | #4,938 (Tranco) | Find emails |
| 4 | obi.de |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| wildforkfoods.com | #235,766 | Azure DNS, Azure Front Door, Contentful + 5 more | Find emails |
| brose.com | #236,371 | Amazon S3, CSC (Digital Brand Services), DigiCert + 2 more | Find emails |
| hyundai.co.uk | #239,413 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| #5,993 (Tranco) |
| Find emails |
| 5 | sklum.com | #6,928 (Tranco) | Find emails |
| humanic.net | #243,161 | Amazon Pay, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| alphaindustries.eu | #246,432 | Apache, Consentmanager.net, Google Tag Manager + 3 more | Find emails |
| sodastream.de | #248,499 | Azure DNS, Bootstrap, Cloudflare edge/CDN + 13 more | Find emails |
| smartpakequine.com | #252,436 | Akamai Edge DNS, Apple Pay, Bazaarvoice + 11 more | Find emails |
| snapav.com | #252,807 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| betten.de | #253,095 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| flexshopper.com | #254,105 | Cloudflare, Fastly, Let's Encrypt + 2 more | Find emails |
| bromium.com | #254,458 | Adobe Experience Cloud (Launch), Adobe Experience Manager Edge Delivery (Helix RUM), Adobe Target + 7 more | Find emails |
| tiffany.co.uk | #255,705 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 12 more | Find emails |
| deadstock.ca | #256,842 | Cloudflare edge/CDN, Google Analytics, Google Hosted Libraries + 11 more | Find emails |
| scullyandscully.com | #258,097 | Akamai edge/CDN, Cloudflare, Font Awesome + 8 more | Find emails |
| obi.com | #258,353 | Amazon (ACM), Amazon CloudFront, Google Maps + 3 more | Find emails |
| aeg.co.uk | #260,090 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 6 more | Find emails |
| coyuchi.com | #262,808 | Bazaarvoice, Bugsnag, Cloudflare + 10 more | Find emails |
| retention.com | #264,087 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| rowentausa.com | #264,608 | Adobe Fonts (Typekit), BrightEdge, Fastly + 8 more | Find emails |
| electrolux.fr | #265,636 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 6 more | Find emails |
| fiat.de | #270,796 | Adobe Experience Cloud (Launch), Apache, Google Maps + 4 more | Find emails |
| draperjames.com | #271,509 | Cloudflare edge/CDN, Google Hosted Libraries, Google Tag Manager + 17 more | Find emails |
| gant.co.uk | #272,649 | Amazon CloudFront, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| abelandcole.co.uk | #272,838 | Azure API Management, Bazaarvoice, Bootstrap + 13 more | Find emails |
| tuicruises.com | #276,103 | Amazon CloudFront, Contentful, DigiCert + 3 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 →