Prototype vs RequireJS

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

Top sites by authority

Prototype · RequireJS · 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

Prototype · RequireJS · share of sites in each country using one or the other

United States 13,953

132,201

Germany 13,016

38,420

United Kingdom 6,613

40,149

India 6,244

30,963

Canada 5,284

29,177

France 6,107

27,073

Brazil 5,086

26,685

Spain 5,285

18,349

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 Prototype sites · All RequireJS sites