Knockout.js vs React

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

Top sites by authority

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

United States 13,851

596,374

India 5,654

237,671

United Kingdom 6,128

191,623

Germany 4,928

162,924

Brazil 3,749

161,653

Canada 5,360

147,238

France 3,837

140,452

Australia 3,478

101,917

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 React sites