Foundation vs MDBootstrap

Foundation is used by more websites in our catalog: 8,731 use Foundation and 756 use MDBootstrap.

MDBootstrap sites have the higher median Ahrefs Domain Rating (Foundation: 32, MDBootstrap: 41).

Between 2026-06 and 2026-07, Foundation went from 1.1% to 0.99% of all tracked sites, while MDBootstrap went from 0.11% to 0.09%. MDBootstrap is gaining ground faster in our index.

4 websites in our catalog use both Foundation and MDBootstrap.

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.