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 1,405

121,503

United States 15,903

61,150

India 6,488

26,365

United Kingdom 5,079

16,936

Germany 3,896

15,285

Italy 2,225

15,269

France 2,754

13,457

Canada 3,892

12,200

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 Ahrefs sites · All All in One SEO sites