Campaign Monitor vs Klaviyo

Klaviyo is used by more websites in our catalog: 579 use Campaign Monitor and 13,451 use Klaviyo.

Campaign Monitor sites have the higher median Ahrefs Domain Rating (Campaign Monitor: 39, Klaviyo: 32).

Between 2026-06 and 2026-07, Campaign Monitor went from 0.07% to 0.07% of all tracked sites, while Klaviyo went from 2.0% to 1.5%. Campaign Monitor is gaining ground faster in our index.

No. A site runs a single email / newsletter platform, so Campaign Monitor and Klaviyo 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.