Backbone.js vs RequireJS

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

Top sites by authority

Backbone.js · 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

Backbone.js · RequireJS · share of sites in each country using one or the other

United States 64,969

158,248

United Kingdom 24,890

46,226

Germany 20,838

42,885

India 24,399

35,970

Canada 20,229

34,211

France 18,949

31,966

Brazil 12,175

29,342

Australia 16,721

22,193

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 Backbone.js sites · All RequireJS sites