RankMath SEO vs WP Fastest Cache

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

Top sites by authority

RankMath SEO · WP Fastest Cache · 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 · WP Fastest Cache · share of sites in each country using one or the other

United States 125,647

11,039

India 80,255

4,973

Germany 54,659

10,858

France 41,204

8,151

United Kingdom 43,847

5,110

Spain 41,448

5,983

Italy 36,163

8,252

Brazil 36,283

5,837

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 WP Fastest Cache sites