Extendify vs RankMath SEO

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

Detections for Extendify end in Apr 2023. The fingerprint catalog behind our crawls no longer carries that technology as its own entry, usually because it was retired or split into more specific ones, so its figure is the last recorded and is not directly comparable with a currently tracked technology.

Top sites by authority

Extendify · 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

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

United States 1,235

112,652

India 669

69,474

Germany 451

49,126

United Kingdom 510

38,904

Spain 310

36,292

France 355

34,405

Brazil 419

33,148

Italy 370

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 Extendify sites · All RankMath SEO sites