Websites Built With Optimizely
42 sites detected
These websites use Optimizely (A/B Testing), detected through HTTP headers, DNS records, TLS certificates, and HTML analysis.
Last seen: 2026-06-07T18:00:32Z
Last seen: 2026-06-07T04:51:02Z
Last seen: 2026-06-07T04:45:46Z
Last seen: 2026-06-07T04:40:57Z
Last seen: 2026-06-07T04:25:23Z
Last seen: 2026-06-07T04:17:39Z
Last seen: 2026-06-07T04:14:49Z
Last seen: 2026-06-07T03:50:02Z
Last seen: 2026-06-07T03:47:27Z
Last seen: 2026-06-07T03:45:01Z
Last seen: 2026-06-07T03:40:54Z
Last seen: 2026-06-07T03:39:42Z
Last seen: 2026-06-07T03:35:46Z
Last seen: 2026-06-07T03:21:42Z
Last seen: 2026-06-07T03:18:22Z
Last seen: 2026-06-07T03:07:38Z
Last seen: 2026-06-07T03:07:15Z
Last seen: 2026-06-07T03:06:22Z
Last seen: 2026-06-07T03:03:45Z
Last seen: 2026-06-07T03:01:53Z
Last seen: 2026-06-07T03:00:45Z
Last seen: 2026-06-07T03:00:09Z
Last seen: 2026-06-06T18:01:36Z
Last seen: 2026-06-06T14:50:25Z
Last seen: 2026-06-04T18:01:59Z
Last seen: 2026-06-04T18:01:13Z
Last seen: 2026-06-04T18:00:47Z
Last seen: 2026-06-04T18:00:34Z
Last seen: 2026-06-04T18:00:08Z
Last seen: 2026-06-01T18:02:39Z
Last seen: 2026-06-01T18:01:21Z
Last seen: 2026-06-01T18:00:37Z
Last seen: 2026-05-31T18:00:43Z
Last seen: 2026-05-31T18:00:29Z
Last seen: 2026-05-27T18:02:07Z
Last seen: 2026-05-27T18:00:56Z
Last seen: 2026-05-26T18:02:02Z
Last seen: 2026-05-26T18:02:01Z
Last seen: 2026-05-26T18:00:06Z
Last seen: 2026-05-25T21:37:24Z
Last seen: 2026-05-24T07:48:18Z
Last seen: 2026-05-24T03:54:39Z
How many websites use Optimizely?
DetectZeStack has detected 42 websites using Optimizely. This count is based on our continuously updated scan database and grows as new sites are analyzed.
What websites are built with Optimizely?
The full list is shown above. Each site was verified through multi-layer detection including HTTP response headers, HTML content analysis, DNS record lookups, and TLS certificate inspection.
How do you detect Optimizely on a website?
DetectZeStack uses four detection methods that work together: HTTP header fingerprinting, HTML/JavaScript pattern matching, DNS CNAME and TXT record analysis, and TLS certificate inspection. This catches technologies that browser-only tools like WhatRuns or Wappalyzer miss entirely.