React vs RxJS

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

Top sites by authority

React · RxJS · 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

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

United States 651,665

4,073

India 252,538

1,398

United Kingdom 210,954

1,363

Germany 176,161

1,240

Brazil 168,763

1,013

Canada 164,079

1,132

France 159,876

1,063

Australia 111,932

774

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 React sites · All RxJS sites