I’ve recently been using a much simpler measurement framework with a client which I like.
Instead of getting sucked into all the things you could measure and hope some of it is interesting, you simply measure the execution of your strategy against a handful of core metrics.
See the image below:
Now you drop in the results each month. Either you’re hitting your goals or you’re not. If you’re not, then probe deeper into the engagement-level metrics to see what is and isn’t working.