MooTools vs RequireJS

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

Top sites by authority

MooTools · 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

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

United States 9,110

126,047

Germany 10,072

37,781

United Kingdom 3,662

39,713

India 3,329

30,133

France 5,079

27,527

Canada 2,557

28,265

Brazil 3,064

25,881

Italy 7,233

19,210

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 MooTools sites · All RequireJS sites