jQuery vs Zepto

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

Top sites by authority

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

United States 1,602,536

10,149

Japan 694,689

2,713

Germany 657,374

3,067

India 637,845

4,916

United Kingdom 540,397

3,891

France 506,084

2,827

Italy 464,759

2,462

Brazil 453,310

2,650

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 sites · All Zepto sites