Analytics Processing Component in SharePoint Server 2013 analyzes both the content itself, and also the way that users interact with it.
Analytics processing for SharePoint 2013 is now a component of the Search service.he Analytics Processing Component in SharePoint 2013 runs analytics jobs to analyze content in the search index and user actions that are performed on SharePoint sites.
SharePoint 2013 still logs every click in SharePoint sites and still provides a count of hits for every document. User data is made anonymous early in the logging process and the Analytics Processing Component is scalable to the service.
This analytics data is used in SharePoint 2013 to provide new item-to-item recommendation features, to show view counts that are embedded in SharePoint 2013 and Search Server user interface, to provide a report of the top items in a site and list, and to influence the relevancy algorithm of search.