RankMath SEO vs WebFactory Under Construction

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

Top sites by authority

RankMath SEO · WebFactory Under Construction · 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 · WebFactory Under Construction · share of sites in each country using one or the other

United States 112,652

231

India 69,474

222

Germany 49,126

206

United Kingdom 38,904

129

Spain 36,292

236

France 34,405

137

Brazil 33,148

104

Italy 31,059

232

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 RankMath SEO sites · All WebFactory Under Construction sites