Knockout.js vs RequireJS

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

Top sites by authority

Knockout.js · 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

Knockout.js · RequireJS · share of sites in each country using one or the other

United States 13,851

132,201

United Kingdom 6,128

40,149

Germany 4,928

38,420

India 5,654

30,963

Canada 5,360

29,177

France 3,837

27,073

Brazil 3,749

26,685

Australia 3,478

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 Knockout.js sites · All RequireJS sites