Google Analytics is a free statistic software for your website, and it’s integrated with Google’s AdWords advertising program. You can sign in with your Google Account.
“Google Analytics tells you everything you want to know about how your visitors found you and how they interact with your site. You’ll be able to focus your marketing resources on campaigns and initiatives that deliver ROI, and improve your site to convert more visitors.”
Google Analytics comes with over 80 predefined reports. Advanced Visitor Segmentation adds eighteen predefined segments for further drill-down into any of these reports, such as geographic location and new versus returning visitors. Instantly compare traffic, key conversion metrics and trends by segment.