jQuery Migrate vs jQuery UI

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

Top sites by authority

jQuery Migrate · jQuery 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

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

United States 873,360

585,514

Germany 320,699

246,243

India 307,283

254,733

France 267,883

210,785

United Kingdom 271,907

201,723

Italy 269,098

195,443

Brazil 256,253

208,190

Spain 236,395

180,678

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 Migrate sites · All jQuery UI sites