MySQL vs PostgreSQL

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

Top sites by authority

MySQL · PostgreSQL · 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

MySQL · PostgreSQL · share of sites in each country using one or the other

United States 938,170

2,245

Japan 432,168

385

Germany 365,652

1,464

India 349,914

1,765

United Kingdom 317,628

957

France 315,111

2,579

Italy 304,444

1,013

Spain 283,742

1,859

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 MySQL sites · All PostgreSQL sites