RequireJS vs Socket.io

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

Top sites by authority

RequireJS · Socket.io · 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

RequireJS · Socket.io · share of sites in each country using one or the other

United States 158,248

8,377

United Kingdom 46,226

3,255

Germany 42,885

3,512

India 35,970

5,162

Canada 34,211

2,920

France 31,966

2,852

Brazil 29,342

3,165

Australia 22,193

1,739

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 RequireJS sites · All Socket.io sites