jQuery vs YUI

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

Top sites by authority

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

United States 1,868,996

179,743

Japan 820,202

5,375

Germany 760,440

14,312

India 750,494

16,285

United Kingdom 627,325

34,441

France 602,656

12,463

Italy 522,636

9,235

Brazil 518,250

8,734

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 jQuery sites · All YUI sites