GSAP vs Stimulus

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

Top sites by authority

GSAP · Stimulus · 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

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

United States 328,404

136,156

United Kingdom 105,671

29,918

India 118,978

12,947

Germany 102,329

21,631

France 97,822

13,968

Italy 96,801

8,550

Canada 74,380

21,826

Brazil 79,378

7,101

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 GSAP sites · All Stimulus sites