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 13,806

126,047

Germany 12,443

37,781

United Kingdom 6,523

39,713

India 6,084

30,133

France 6,076

27,527

Canada 5,336

28,265

Brazil 5,039

25,881

Spain 5,465

19,648

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, Sep 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