mod_perl vs OpenSSL

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

Top sites by authority

mod_perl · 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_perl · OpenSSL · share of sites in each country using one or the other

United States 1,871

29,654

Japan 1,042

22,526

India 1,171

16,898

Brazil 665

12,786

Germany 828

11,844

United Kingdom 837

11,237

Italy 653

11,018

South Korea 426

11,243

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, Aug 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_perl sites · All OpenSSL sites