You can use SharePoint out of the box feature "Popularity and Search Reports". You can found this link Site Collection settings of site.
Within Popularity and Search reports, you can export usage and queries report into excel to diagnose it.
Or you can use Google analytic too, embed it in master page for proper details of everything.
Popularity trend will not give you exactly that you are looking for. It will only give a a statistics that how many unique user visited to a specific site or item.
For more info how to use this feature read this link http://technet.microsoft.com/en-us/library/jj715890(v=office.15).aspx
Otherwise for more detailed, you need to use Google analytic on masterpage!