Traffic Sources - Sources of traffic to your site by category: direct, search, social, and other.
Pageviews - Hits to each page on your site.
Referrers - Which websites are sending you the most traffic.
Platforms - Pageviews by user operating system.
Events - Detailed list of site events.
RealTime - Events are processed in on-demand so there’s never any processing delay.
Check out Frequency Analytics on GitHub github.com/frequencyanalytics/frequency