Cornerstone vs Oxygen

Oxygen is used by more websites in our catalog: 3,075 use Cornerstone and 13,366 use Oxygen.

Cornerstone sites have the higher median Ahrefs Domain Rating (Cornerstone: 28, Oxygen: 20).

Between 2026-06 and 2026-07, Cornerstone went from 0.38% to 0.35% of all tracked sites, while Oxygen went from 1.7% to 1.5%. Cornerstone is gaining ground faster in our index.

29 websites in our catalog use both Cornerstone and Oxygen.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.