ConvertKit vs MailChimp

ConvertKit runs on 1,082 ranked sites (<0.1%); MailChimp on 26,050 (0.3%).

By rank tier
TierConvertKitShareMailChimpShare
Top 1,0000<0.1%0<0.1%
Top 10,0000<0.1%120.1%
Top 100,0006<0.1%3040.3%
Top 1,000,00076<0.1%2,2840.2%
All ranked1,082<0.1%26,0500.3%