mod_ssl vs mod_wsgi

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

Top sites by authority

mod_ssl · mod_wsgi · 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_ssl · mod_wsgi · share of sites in each country using one or the other

United States 2,061

1,304

Japan 2,538

817

South Korea 1,782

492

India 1,063

940

Germany 1,065

644

France 986

576

United Kingdom 912

647

Indonesia 871

678

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 mod_ssl sites · All mod_wsgi sites