One of the best ways to move forward and grow is to mind the old. Not dwell in it or idolize it, mind you, just study it to improve for the future.
That’s why you must review your existing content to improve the new. Look at what you’ve created, study the reaction and patterns your audience has to it and compare it to the competition.
When you review visitor and audience behavior it’s called qualitative analysis or qualitative research. It’s one of the best ways to find out the impact your content marketing strategy really has.