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 83,071

137,903

India 62,522

69,310

United Kingdom 33,985

49,506

Germany 41,491

36,929

Italy 29,206

47,568

Brazil 35,577

39,706

France 31,974

31,575

Canada 26,486

36,570

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 Ubuntu sites · All Windows Server sites