Flutter vs Radix UI

Head-to-head usage across the sites we track.

Top sites by authority

Flutter · Radix UI · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

Flutter · Radix UI · share of sites in each country using one or the other

United States 1,622

64,366

India 1,695

42,500

Brazil 1,085

32,941

United Kingdom 828

23,181

Germany 1,003

20,788

Canada 635

18,512

France 743

17,927

Indonesia 696

17,208

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All Flutter sites · All Radix UI sites