Improve your content on the most popular pages and try to keep visitors for a longer period of time on your site.
Get useful insights in what bots do on your website. All bot requests will be logged including spiders so you can optimize internal linking of certain bots are not able to find deep content.
You can check the unique visitors per day in one chart for the last 30 days.
Get more insights in how your visitors behave on a website by enabling the free Google Analytics module. This module will add the Google Analytics tracking code on your site.
SitePack is collecting anonymous data from all visitors to build basic statistics. These numbers will be used to verify you are still on the right subscription plan.