CentOS vs Red Hat

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

Top sites by authority

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

United States 12,631

4,452

Japan 13,364

2,554

India 7,375

2,683

Italy 6,135

1,893

United Kingdom 5,698

2,164

Germany 5,581

1,968

South Korea 6,485

1,032

Spain 5,001

2,113

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 CentOS sites · All Red Hat sites