Hellenic Academic and Research Institutions CA vs SwissSign AG

Hellenic Academic and Research Institutions CA is used by more websites in our catalog: 1,161 use Hellenic Academic and Research Institutions CA and 116 use SwissSign AG.

Hellenic Academic and Research Institutions CA sites have the higher median Ahrefs Domain Rating (Hellenic Academic and Research Institutions CA: 75, SwissSign AG: 73).

Between 2026-06 and 2026-07, Hellenic Academic and Research Institutions CA went from 0.17% to 0.13% 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 Hellenic Academic and Research Institutions CA 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.