Certainly vs SwissSign AG

Certainly is used by more websites in our catalog: 776 use Certainly and 116 use SwissSign AG.

SwissSign AG sites have the higher median Ahrefs Domain Rating (Certainly: 63, SwissSign AG: 73).

Between 2026-06 and 2026-07, Certainly went from 0.12% to 0.09% of all tracked sites, while SwissSign AG went from 0.02% to 0.01%. SwissSign AG is gaining ground faster in our index.

No. A site runs a single SSL certificate authority, so Certainly and SwissSign AG 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.