Web Analytics Reports
The Web Analytics Reports show how your WSS 2010 site is used, it shows how much storage is being used and how many hits each page gets.
Summary
Go to Site Actions > Site Settings.
Click on Site Collection Web Analytics Report.
You will be presented with a summary similar to the below.
Detailed Reports
Go to Site Actions > Site Settings.
Click on site Web Analytics Reports.
You will be able to select various reports from down the left hand menu, as shown below.
Cobweb Solutions Ltd