The editing system collects visitor statistics, which you can view through the Statistics panel. These statistics let you see how well your site is performing.
To view your statistics, go into edit mode, click the Panels button on the toolbar, and click the Statistics button, whose icon is shown below.
The Statistics panel will then open in a new browser tab, giving you access to the following reports:
You can access more advanced statistics by setting up Google Analytics. Note that Google Analytics and the Statistics panel collect data in different ways, and give different results.