Google Analytics

In addition to the data we report on your  Dashboard, Send Archive, and Email Stats pages, you can track CartStack leads with Google Analytics. 

To do this, you'd append URL parameters to the links you'd like to track in your CartStack emails, such as the Check Out Now button. Here is the URL builder tool from Google Analytics:  https://support.google.com/analytics/answer/1033867?hl=en You'd edit the links in your emails on the templates page of your CartStack account,