CentOS vs FreeBSD

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

Top sites by authority

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

Japan 15,967

988

United States 14,716

1,028

India 8,682

372

Germany 6,680

1,321

South Korea 7,466

176

Italy 7,152

362

United Kingdom 6,517

411

Taiwan 5,995

394

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 FreeBSD sites