mod_dav vs mod_jk

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

Top sites by authority

mod_dav · mod_jk · 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

mod_dav · mod_jk · share of sites in each country using one or the other

South Korea 1,383

2,368

United States 1,157

2,171

Japan 1,059

844

India 646

1,061

Italy 475

1,172

Germany 646

870

Spain 464

854

France 512

788

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 mod_dav sites · All mod_jk sites