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 988,550

661,346

India 354,719

293,145

Germany 361,975

277,600

France 322,388

251,984

United Kingdom 313,223

231,762

Italy 315,256

225,771

Brazil 282,509

228,647

Spain 276,437

209,058

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 Migrate sites · All jQuery UI sites