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 4,354

336,193

India 1,476

120,243

United Kingdom 1,167

105,254

Germany 920

103,146

France 867

94,934

Italy 770

90,969

Brazil 1,036

81,278

Canada 1,005

75,336

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 GSAP sites