Apache HTTP Server vs Kestrel

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

Top sites by authority

Apache HTTP Server · Kestrel · 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

Apache HTTP Server · Kestrel · share of sites in each country using one or the other

United States 388,136

7,567

Germany 356,560

2,498

Japan 268,830

1,236

France 241,071

1,989

India 196,107

2,966

Brazil 167,215

2,478

Spain 165,938

1,955

United Kingdom 154,333

3,355

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 Apache HTTP Server sites · All Kestrel sites