UNIX vs Windows Server

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

Top sites by authority

UNIX · 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

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

United States 10,735

121,997

Germany 42,794

32,389

India 4,868

60,938

United Kingdom 3,746

43,541

Italy 2,825

40,345

Brazil 3,701

35,974

Canada 2,796

32,014

Türkiye 1,794

31,421

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 UNIX sites · All Windows Server sites