AOS vs jQuery Migrate

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

Top sites by authority

AOS · jQuery Migrate · 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

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

United States 79,472

873,360

India 53,006

307,283

Germany 30,862

320,699

Japan 24,121

283,792

United Kingdom 32,455

271,907

France 28,155

267,883

Italy 21,187

269,098

Brazil 20,718

256,253

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 AOS sites · All jQuery Migrate sites