JSS vs RequireJS

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

Top sites by authority

JSS · RequireJS · 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

JSS · RequireJS · share of sites in each country using one or the other

United States 25,360

132,201

United Kingdom 7,619

40,149

Germany 6,843

38,420

India 10,169

30,963

Canada 6,958

29,177

France 7,737

27,073

Brazil 7,526

26,685

Australia 4,781

19,263

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 JSS sites · All RequireJS sites