Comment notification settings in WordPress are confusing and make little sense. You may not even realise it. We have tested, analyzed, and document how it all works and the results aren't what even we were expecting.
While pageviews are crucial for advertising-supported publications (to help gauge circulation), they are a small piece of the puzzle for content marketing initiatives and publications supported more heavily through subscriptions. Engagement and retention are more important figures, but conversion is the most significant.