Fathom vs Google Analytics

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

Top sites by authority

Fathom · 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

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

United States 5,663

1,825,086

Japan 761

752,077

India 2,033

660,191

United Kingdom 3,552

591,165

France 1,621

487,677

Brazil 1,025

487,743

Germany 2,117

438,882

Canada 1,736

427,096

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 Fathom sites · All Google Analytics sites