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 10,652

112,652

India 4,241

69,474

Germany 3,288

49,126

United Kingdom 3,744

38,904

Spain 2,502

36,292

France 3,420

34,405

Brazil 3,077

33,148

Italy 2,769

31,059

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 Performance Lab sites · All RankMath SEO sites