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 71,685

118,668

India 57,063

59,691

United Kingdom 29,881

43,146

Brazil 32,677

35,359

Italy 25,439

41,478

Germany 34,846

31,833

Canada 22,599

31,851

France 26,849

25,713

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 Ubuntu sites · All Windows Server sites