On Facebook, the number of unique visitors who have viewed a Facebook Page on any given day. Page views indicate that a Facebook user actively visited a Company Facebook Page and gives marketers insight into how many users visit and how often. Page view data is available within the Facebook Insights analytics program.
Why do you need to know about Page Views?
Page views are an indicator of the popularity of a Facebook Page or applications within that Page. They allow marketers to better optimize and promote pages.