JSS vs React

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

Top sites by authority

JSS · 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

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

United States 28,707

651,665

India 11,535

252,538

United Kingdom 8,665

210,954

Germany 7,821

176,161

Brazil 8,388

168,763

Canada 7,918

164,079

France 9,223

159,876

Australia 5,511

111,932

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, Jun 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 React sites