Websites Using VWO

VWO is an A/B testing tool. 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 5,538 websites.

Site Stats Database currently tracks 5,538 websites using VWO. That makes it the #1 most common a/b testing out of 32 we detect in this category.

The most common are News, Software, and Cars sites, and they are most common in United States and Spain. The breakdowns above show the full split across topics, markets, authority, and monetization, based on the 5,538 websites using VWO we track.

VWO is one of 32 a/b testing options Site Stats Database detects. The alternatives section lists the others by adoption, and you can compare VWO head-to-head with any of them.

They tend to have stronger authority than the typical website: the median VWO site has an Ahrefs Domain Rating of 50, higher than the 28 median across all sites Site Stats Database tracks.

Over the last 2 months, the number we track grew 13%, 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 VWO) 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 5,538 VWO websites.

Yes. The complete, filterable list of all 5,538 VWO websites, enriched with traffic history, authority, keywords, and the full tech stack, is available with a Site Stats Database plan.