a3 Lazy Load vs Lozad.js

Lozad.js is used by more websites in our catalog: 1,174 use a3 Lazy Load and 1,282 use Lozad.js.

Lozad.js sites have the higher median Ahrefs Domain Rating (a3 Lazy Load: 24, Lozad.js: 34).

Between 2026-06 and 2026-07, a3 Lazy Load went from 0.16% to 0.13% of all tracked sites, while Lozad.js went from 0.17% to 0.15%. Lozad.js is gaining ground faster in our index.

5 websites in our catalog use both a3 Lazy Load and Lozad.js.

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.