AlertifyJS vs GSAP

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

Top sites by authority

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

United States 4,363

328,404

India 1,474

118,978

United Kingdom 1,172

105,671

Germany 903

102,329

France 878

97,822

Italy 834

96,801

Brazil 1,030

79,378

Spain 888

76,953

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 GSAP sites