A: "Google Analytics tells you everything you want to know about how your visitors found you and how they interact with your site. Focus your marketing resources on campaigns and initiatives that deliver ROI, and improve your site to convert more visitors"
If you want know details about it, please check Google Analytics.
Q: How can I add my site on Google Analytics for Office Live Small Business ?
A: There is a little tricy to add it on your Office Live Small Business site, we have to do it manually for you, please check our services.