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 9,239

132,201

Germany 10,229

38,420

United Kingdom 3,743

40,149

India 3,457

30,963

France 5,004

27,073

Canada 2,552

29,177

Brazil 3,108

26,685

Italy 7,051

18,380

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 MooTools sites · All RequireJS sites