jellyfish.systems vs register.it

jellyfish.systems is used by more websites in our catalog: 2,052 use jellyfish.systems and 256 use register.it.

register.it sites have the higher median Ahrefs Domain Rating (jellyfish.systems: 6, register.it: 33).

Between 2026-06 and 2026-07, jellyfish.systems went from 0.26% to 0.23% of all tracked sites, while register.it went from 0.03% to 0.03%. register.it is gaining ground faster in our index.

No. A site runs a single email host, so jellyfish.systems and register.it 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.