GSAP vs Inertia.js

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

Top sites by authority

GSAP · Inertia.js · 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 · Inertia.js · share of sites in each country using one or the other

United States 374,319

4,318

India 135,440

2,543

United Kingdom 119,878

2,270

Germany 113,182

2,251

France 112,048

1,977

Italy 105,125

1,368

Brazil 87,855

2,066

Canada 85,143

1,554

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 GSAP sites · All Inertia.js sites