Java vs Ruby

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

Top sites by authority

Java · Ruby · 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

Java · Ruby · share of sites in each country using one or the other

United States 103,678

81,570

India 46,985

31,121

United Kingdom 34,408

32,043

Canada 30,613

28,481

Germany 34,013

24,686

France 28,434

24,562

Spain 28,586

20,611

Brazil 29,287

19,566

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 Java sites · All Ruby sites