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 132,201

7,271

United Kingdom 40,149

2,831

Germany 38,420

2,966

India 30,963

4,656

Canada 29,177

2,448

Brazil 26,685

3,117

France 27,073

2,351

Australia 19,263

1,556

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 RequireJS sites · All Socket.io sites