Here is another interesting content from the Moz blog site "Setting up 4 key customer loyalty metrics in google analytics" posted by Tom Capper. Tom will discus in this article on how customer loyalty can be determine and not to follow other misunderstanding as well common mistakes when conducting analysis on your google anlytics. Kindly visit this link for your reference and carefully study the four customer loyalty metrics that created by Tom and feel free to add or post your ideas, comments, or opinions in this respected forum site. Setting Up 4 Key Customer Loyalty Metrics in Google Analytics - Moz