jQuery vs JsObservable

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

Top sites by authority

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

United States 1,645,337

875

Japan 705,260

523

Germany 672,972

373

India 652,564

401

United Kingdom 543,018

409

France 501,574

315

Brazil 468,680

258

Italy 448,261

319

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 sites · All JsObservable sites