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 13,663

595,277

India 5,601

243,719

United Kingdom 6,152

194,085

Brazil 3,730

164,323

Germany 4,903

162,915

Canada 5,387

148,255

France 3,844

143,971

Spain 3,623

106,955

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 Knockout.js sites · All React sites