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 1,603,337

10,032

Japan 649,985

1,649

India 585,808

5,718

United Kingdom 519,934

3,358

Brazil 441,421

2,835

France 412,957

2,649

Germany 381,385

2,713

Canada 371,221

2,853

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 Google Analytics sites · All Vercel Speed Insights sites