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 4,390

374,319

India 1,639

135,440

United Kingdom 1,286

119,878

Germany 1,047

113,182

France 1,035

112,048

Italy 879

105,125

Brazil 1,143

87,855

Canada 1,166

85,143

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 AlertifyJS sites · All GSAP sites