RankMath SEO vs Web Worker Offloading

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

Top sites by authority

RankMath SEO · Web Worker Offloading · 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 · Web Worker Offloading · share of sites in each country using one or the other

United States 109,603

650

India 68,337

441

Germany 48,243

275

Spain 38,558

195

United Kingdom 38,357

324

France 33,928

257

Brazil 32,196

406

Italy 32,163

183

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 Web Worker Offloading sites