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 12,287

137,903

Germany 47,181

36,929

India 5,482

69,310

United Kingdom 4,270

49,506

Italy 3,343

47,568

Brazil 4,096

39,706

Canada 3,218

36,570

Türkiye 2,152

36,852

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 UNIX sites · All Windows Server sites