EWWW Image Optimizer vs RankMath SEO

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

Top sites by authority

EWWW Image Optimizer · 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

EWWW Image Optimizer · RankMath SEO · share of sites in each country using one or the other

United States 16,242

125,647

India 5,419

80,255

Germany 7,995

54,659

United Kingdom 6,386

43,847

France 7,355

41,204

Japan 37,206

10,882

Spain 4,964

41,448

Italy 6,091

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 EWWW Image Optimizer sites · All RankMath SEO sites