ConvertKit vs Poptin

ConvertKit runs on 1,082 ranked sites (<0.1%); Poptin on 3,616 (<0.1%).

By rank tier
TierConvertKitSharePoptinShare
Top 1,0000<0.1%10.1%
Top 10,0000<0.1%3<0.1%
Top 100,0006<0.1%25<0.1%
Top 1,000,00076<0.1%220<0.1%
All ranked1,082<0.1%3,616<0.1%