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 118

112,652

India 46

69,474

Germany 47

49,126

United Kingdom 64

38,904

Spain 133

36,292

France 68

34,405

Brazil 33

33,148

Italy 64

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 iThemes Security sites · All RankMath SEO sites