Websites Using Clerk.io

Clerk.io is a personalization engine. Site Stats Database detects it on the websites it tracks by analyzing each site's homepage, response headers, and DNS, and has currently found it on 133 websites.

Site Stats Database currently tracks 133 websites using Clerk.io. That makes it the #6 most common personalization out of 13 we detect in this category.

The most common are Accessories, Design, and Clothing sites, and they are most common in United States and Italy. The breakdowns above show the full split across topics, markets, authority, and monetization, based on the 133 websites using Clerk.io we track.

Clerk.io is one of 13 personalization options Site Stats Database detects. The alternatives section lists the others by adoption, and you can compare Clerk.io head-to-head with any of them.

They tend to have stronger authority than the typical website: the median Clerk.io site has an Ahrefs Domain Rating of 36, higher than the 28 median across all sites Site Stats Database tracks.

Over the last 2 months, the number we track grew 9.0% and their combined traffic rose 2.5%, based on Site Stats Database's month-by-month snapshots of this group.

Traffic estimates, organic keywords, and authority come from DataForSEO; Domain Rating comes from Ahrefs' public endpoint; and technology detection (including Clerk.io) comes from Site Stats Database's own crawler, which inspects each site's HTML, headers, and infrastructure.

At least monthly. Traffic and rankings refresh every month, and technology detections are refreshed as sites are re-crawled, so this page always reflects the current 133 Clerk.io websites.

Yes. The complete, filterable list of all 133 Clerk.io websites, enriched with traffic history, authority, keywords, and the full tech stack, is available with a Site Stats Database plan.