Lozad.js vs Smush

Smush is used by more websites in our catalog: 1,282 use Lozad.js and 12,124 use Smush.

Lozad.js sites have the higher median Ahrefs Domain Rating (Lozad.js: 34, Smush: 25).

Between 2026-06 and 2026-07, Lozad.js went from 0.17% to 0.15% of all tracked sites, while Smush went from 1.5% to 1.4%. Lozad.js is gaining ground faster in our index.

24 websites in our catalog use both Lozad.js and Smush.

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.