astra vs Zephyr

astra is used by more websites in our catalog: 17,051 use astra and 129 use Zephyr.

Zephyr sites have the higher median Ahrefs Domain Rating (astra: 15, Zephyr: 19).

Between 2026-06 and 2026-07, astra went from 2.2% to 1.9% of all tracked sites, while Zephyr went from 0.02% to 0.01%. Zephyr is gaining ground faster in our index.

No. A site runs a single WordPress theme, so astra and Zephyr are mutually exclusive.

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.