Cloudflare Browser Insights vs web-vitals

Cloudflare Browser Insights is the more common of the two in our index: it runs on 4,830 websites against 801 for web-vitals, and 111 sites use both. Counts come from real scans, not vendor claims.

Cloudflare Browser Insights: 4,830
web-vitals: 801

Cloudflare Browser Insights

Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.

Indexed sites: 4,830
Share of RUM: 58%

Well-known sites using it

All 4,830 sites

web-vitals

The web-vitals JavaScript is a tiny, modular library for measuring all the web vitals metrics on real users.

Indexed sites: 801
Share of RUM: 10%

Well-known sites using it

All 801 sites

Used together

111 sites run both Cloudflare Browser Insights and web-vitals. That is 14% of the sites using web-vitals, the smaller of the two.

More comparisons

Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.