Google Analytics vs Vercel Speed Insights

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

Top sites by authority

Google Analytics · Vercel Speed Insights · 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

Google Analytics · Vercel Speed Insights · share of sites in each country using one or the other

United States 1,825,086

7,818

Japan 752,077

1,576

India 660,191

4,966

United Kingdom 591,165

3,120

Brazil 487,743

2,559

France 487,677

2,508

Germany 438,882

2,572

Canada 427,096

2,645

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 Google Analytics sites · All Vercel Speed Insights sites