jQuery UI vs YUI

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

Top sites by authority

jQuery UI · YUI · 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

jQuery UI · YUI · share of sites in each country using one or the other

United States 585,514

161,474

India 254,733

14,321

Germany 246,243

12,570

United Kingdom 201,723

30,241

France 210,785

10,188

Brazil 208,190

7,915

Italy 195,443

7,829

Spain 180,678

9,841

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 jQuery UI sites · All YUI sites