Mapmeter (despite not being CamelCase) is a pretty awesome way to get analytics for your maps.  We’ve talked on my hangouts about how it is not free, nor is it open source.  But you can get a copy free until the end of the year:

…we’re including a free annual Mapmeter subscription with every OpenGeo Suite purchase made before the end of the year. While a Mapmeter subscription is already included at the Platform level and above, this is the perfect opportunity for prospective Plus and Professional purchasers to save nearly $2400.