Radix UI vs ZURB Foundation

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

Top sites by authority

Radix UI · ZURB Foundation · 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

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

United States 61,866

97,282

India 41,088

24,995

United Kingdom 22,843

33,264

Germany 20,404

27,418

Canada 18,587

26,635

Brazil 30,607

13,400

France 18,238

23,439

Netherlands 12,707

18,526

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, Jun 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 Radix UI sites · All ZURB Foundation sites