jellyfish.systems vs Proton Mail

jellyfish.systems is used by more websites in our catalog: 2,052 use jellyfish.systems and 1,505 use Proton Mail.

Proton Mail sites have the higher median Ahrefs Domain Rating (jellyfish.systems: 6, Proton Mail: 30).

Between 2026-06 and 2026-07, jellyfish.systems went from 0.26% to 0.23% of all tracked sites, while Proton Mail went from 0.21% to 0.17%. jellyfish.systems is gaining ground faster in our index.

No. A site runs a single email host, so jellyfish.systems and Proton Mail 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.