RankMath SEO vs Spectra

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

Top sites by authority

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

United States 109,603

6,602

India 68,337

3,531

Germany 48,243

2,821

Spain 38,558

3,161

United Kingdom 38,357

2,299

France 33,928

3,304

Italy 32,163

1,917

Brazil 32,196

1,702

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 RankMath SEO sites · All Spectra sites