Websites Built With PerimeterX

Q: What websites are built with PerimeterX?

www.fiverr.com, www.zoominfo.com, www.urbanoutfitters.com, www.calm.com, thehill.com, www.bloomberg.com, www.anthropologie.com and more are built with PerimeterX. View the full list above.

Q: How do you detect PerimeterX on a website?

DetectZeStack detects PerimeterX using multiple methods: HTTP response header analysis, HTML and JavaScript content scanning, DNS record lookups, and TLS certificate inspection. This multi-layer approach catches technologies that browser extensions miss.

7 sites detected

These websites use PerimeterX (Security), detected through HTTP headers, DNS records, TLS certificates, and HTML analysis.

www.fiverr.com

Last seen: 2026-04-12T11:13:20Z

www.zoominfo.com

Last seen: 2026-04-12T10:44:05Z

www.urbanoutfitters.com

Last seen: 2026-04-12T08:39:39Z

www.calm.com

Last seen: 2026-04-12T07:41:29Z

thehill.com

Last seen: 2026-04-12T07:16:36Z

www.bloomberg.com

Last seen: 2026-04-12T07:09:51Z

www.anthropologie.com

Last seen: 2026-04-12T07:04:18Z

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How many websites use PerimeterX?

DetectZeStack has detected 7 websites using PerimeterX. This count is based on our continuously updated scan database and grows as new sites are analyzed.

What websites are built with PerimeterX?

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 PerimeterX 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.