Web analytics reports are an innate part of the SharePoint 2010 installation. These reports are prebuilt. They use collected data from the active SharePoint installation to present information such as number of site collections, top destinations, top pages, page views, and top referrers. Using this information, an administrator can determine the flow of traffic. This is information that will comprise part of the story for performance monitoring.
This recipe shows how to invoke the reports and how to view custom reports.
You must have farm-level administrative permissions to the Central Administration site.