Performance Lab vs RankMath SEO

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

Top sites by authority

Performance Lab · RankMath SEO · 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

Performance Lab · RankMath SEO · share of sites in each country using one or the other

United States 10,406

109,603

India 4,015

68,337

Germany 3,156

48,243

United Kingdom 3,719

38,357

Spain 2,613

38,558

France 3,387

33,928

Brazil 2,951

32,196

Italy 2,896

32,163

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 Performance Lab sites · All RankMath SEO sites