comScore vs Google Analytics

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

Top sites by authority

comScore · Google Analytics · 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

comScore · Google Analytics · share of sites in each country using one or the other

United States 37,150

1,603,337

Japan 4,906

649,985

India 12,433

585,808

United Kingdom 17,423

519,934

Brazil 7,340

441,421

France 8,887

412,957

Germany 10,203

381,385

Canada 19,110

371,221

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 comScore sites · All Google Analytics sites