SharePoint Analytics or SharePoint Usage Reporting or Google Analytics SharePoint

world full of options ... what to choose ..

SharePoint Usage Reporting provides:

• Requests and queries in the last day and the last 30 days.
• Average number of requests per day over the last 30 days.
• A chart of requests per day over the last 30 days.
• A list of top users over the last 30 days.

the list goes on and on ...

SharePoint Usage Reporting, yes it's not complete web analytics but out of box it does provide features which are comparable to web analytics.

  To turn on SharePoint Usage Reporting:

1) Turn on usage analysis processing in Central Admin under operations

2) Turn on usage reporting in Share Service Provider

3) Enable Publishing infrastructure at site collection level

     http://celerity12.blogspot.com/2010/03/sharepoint-outputpage-caching.html

Then goto SiteAction > Site Settings and click Site Collection usage.

And don't forget to checkout " Use reports to measure site performance and usage using SharePoint Designer 2007".