GSAP vs Inertia

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

Detections for Inertia end in Oct 2022. The fingerprint catalog behind our crawls no longer carries that technology as its own entry, usually because it was retired or split into more specific ones, so its figure is the last recorded and is not directly comparable with a currently tracked technology.

Top sites by authority

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

United States 328,404

13

India 118,978

9

United Kingdom 105,671

11

Germany 102,329

13

France 97,822

9

Italy 96,801

11

Brazil 79,378

12

Spain 76,953

10

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.

All GSAP sites · All Inertia sites