Have you studied website traffic Visitor statistics?

Statistics on visitor IP stay time of a website data analysis of this type of dimension websites, whether there is a great idea to communicate with each other to collect statistics on the visitor IP stay time of a website such as dimension analysis of data analysis websites, are there any ideas shared by great gods?

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Statistics on the visitor's IP stay time. Is there any idea for a website that can be analyzed by dimensions such as data analysis?

Piwik http://piwik.org/
Demo: http://demo.piwik.org/index.php? Module = CoreHome & action = index & idSite = 7 & period = day & date = yesterday #/module = Dashboard & action = embeddedIndex & idSite = 7 & period = day & date = yesterday & idDashboard = 1

The IP address can be obtained based on the access request, and can be implemented using the onbeforeunload event. However, browser compatibility may be problematic.

Isn't there an open-source solution?