AlertifyJS vs RequireJS

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

Top sites by authority

AlertifyJS · 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

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

United States 4,363

126,047

United Kingdom 1,172

39,713

Germany 903

37,781

India 1,474

30,133

Canada 1,000

28,265

France 878

27,527

Brazil 1,030

25,881

Spain 888

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 AlertifyJS sites · All RequireJS sites