Stimulus vs Zone.js

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

Top sites by authority

Stimulus · Zone.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

Stimulus · Zone.js · share of sites in each country using one or the other

United States 152,808

180,126

United Kingdom 33,390

44,450

Canada 24,413

35,078

Germany 24,224

29,348

India 14,670

37,179

Australia 19,705

26,185

France 15,861

25,078

Spain 9,827

19,926

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 Stimulus sites · All Zone.js sites