Important FB metric: When you click on “Reach,” you will be able to see how many times people were brought to your Facebook Page from an outside source and on what dates.
The “Engaged Users” metric on FB will give you better insight into what types of posts encourage the most interaction from users-like questions or pictures.
“Talking About This”? This metric on FB totals up the number of people who have interacted with your page in one way or another within the last seven days.