Ahrefs vs All in One SEO

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

Top sites by authority

Ahrefs · All in One 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

Ahrefs · All in One SEO · share of sites in each country using one or the other

Japan 1,660

140,814

United States 17,840

69,973

India 7,376

30,460

United Kingdom 5,803

19,791

Germany 4,455

17,687

Italy 2,498

17,895

France 3,476

16,417

Canada 4,491

14,351

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 Ahrefs sites · All All in One SEO sites