Here is one short tutorial on how to implement a site traffic analysis with Microsoft Silverlight Analytics Framework (MSAF) and Google Analytics for Silverlight 4 applications.
Source: SilverLaw
With MSAF it is extremly easy and slim to implement a site traffic analysis. Using Expression Blend 4 and the behaviors provided by this framework the procedure is reduced to a few simple Drag & Drop actions.
Please visit the MSAF site at codeplex.com to get an overview of the other useful features of this great framework.