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 109

109,603

India 45

68,337

Germany 43

48,243

Spain 134

38,558

United Kingdom 62

38,357

France 67

33,928

Italy 61

32,163

Brazil 28

32,196

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 iThemes Security sites · All RankMath SEO sites