iThemes Security vs RankMath SEO

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

Top sites by authority

iThemes Security · 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

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

United States 143

125,647

India 49

80,255

Germany 49

54,659

United Kingdom 73

43,847

Spain 158

41,448

France 90

41,204

Brazil 36

36,283

Italy 81

36,163

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, 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 iThemes Security sites · All RankMath SEO sites