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 4,354

132,201

United Kingdom 1,167

40,149

Germany 920

38,420

India 1,476

30,963

Canada 1,005

29,177

France 867

27,073

Brazil 1,036

26,685

Australia 617

19,263

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 AlertifyJS sites · All RequireJS sites