RankMath SEO vs Slim SEO

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

Top sites by authority

RankMath SEO · Slim 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

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

United States 125,647

2,127

India 80,255

692

Germany 54,659

955

United Kingdom 43,847

898

Spain 41,448

494

France 41,204

703

Italy 36,163

664

Brazil 36,283

424

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, Jun 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 RankMath SEO sites · All Slim SEO sites