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 15,730

158,248

Germany 14,163

42,885

United Kingdom 7,567

46,226

India 7,101

35,970

Canada 6,196

34,211

France 7,298

31,966

Brazil 5,729

29,342

Spain 6,092

21,520

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 Prototype sites · All RequireJS sites