Cloudflare Browser Insights is the more common of the two in our index: it runs on 14,597 websites against 48 for Sitefinity Insight, and 2 sites use both. Counts come from real scans of each site's home page, not vendor claims, and cover the sites in TechLookup's index rather than the whole web.
Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.
Sitefinity Insight is a tool that tracks user behavior on a site to help analyze interactions, identify patterns, and support data-driven decisions.
Within the analytics sites we have indexed, Cloudflare Browser Insights holds 15% and Sitefinity Insight 0.0%.
2 sites run both Cloudflare Browser Insights and Sitefinity Insight. That is 4% of the sites using Sitefinity Insight, the smaller of the two.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.