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 849,474

571,404

Germany 314,354

241,117

India 299,510

248,863

France 271,447

214,196

Italy 282,524

201,839

United Kingdom 269,921

200,445

Brazil 247,089

201,788

Spain 252,481

191,362

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, Sep 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