Here is a list of websites and tools that I regularly use for my analysis and reports, but not only for this purpose… actually I use these websites also for my own private interest 
ENJOY!
Please feel free to add comments and don’t hesitate to suggest additional tools/websites.
Thanks 
This is a fantastic tool! It is the next step for analytics! This tool allows you to do many different kind of tests on your website (A/B, MVT, and so on) + also allows you to target your visitors with relevant content to them! In my opinion it is a must!
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Read more here Omniture Test and Target
