mod_rack vs OpenSSL

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

Top sites by authority

mod_rack · OpenSSL · 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_rack · OpenSSL · share of sites in each country using one or the other

United States 121

28,919

Japan 75

22,279

India 66

16,626

Brazil 51

12,544

Germany 58

11,646

Italy 46

11,443

South Korea 29

11,314

United Kingdom 61

11,177

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_rack sites · All OpenSSL sites