BootstrapCDN vs jsDelivr

jsDelivr is used by more websites in our catalog: 39,625 use BootstrapCDN and 64,198 use jsDelivr.

jsDelivr sites have the higher median Ahrefs Domain Rating (BootstrapCDN: 29, jsDelivr: 34).

Between 2026-06 and 2026-07, BootstrapCDN went from 4.9% to 4.5% of all tracked sites, while jsDelivr went from 8.3% to 7.3%. BootstrapCDN is gaining ground faster in our index.

18,770 websites in our catalog use both BootstrapCDN and jsDelivr.

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.