Ubuntu vs Windows Server

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

Top sites by authority

Ubuntu · Windows Server · 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

Ubuntu · Windows Server · share of sites in each country using one or the other

United States 72,559

121,997

India 56,993

60,938

United Kingdom 29,713

43,541

Brazil 32,746

35,974

Germany 35,687

32,389

Italy 24,736

40,345

Canada 22,422

32,014

France 26,478

26,000

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, Aug 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 Ubuntu sites · All Windows Server sites