CentOS vs Debian

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

Top sites by authority

CentOS · Debian · 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

CentOS · Debian · share of sites in each country using one or the other

United States 14,716

16,285

France 5,895

23,796

Germany 6,680

20,849

Japan 15,967

4,288

Italy 7,152

11,787

India 8,682

8,615

Spain 5,585

10,700

United Kingdom 6,517

9,147

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 CentOS sites · All Debian sites