Nowadays is important to track user activity in a website because that makes possible to get a better understanding about what users do during their stay in our website and why they choose or not certain options, ie: coupon code with discounts, downloading files, signing for free or paid account memberships, etc.
Here is the Best way to track User Activity. Best Practices on event tracking.
The Why and the How of tracking events in Google Analytics, that references the Event Tracking guide from GA. This event tracking guide explains how to setup the analytics code as well as anatomy of Event Tracking and implementation considerations to take in mind. And here is the Basic Configuration.
The reason why not to track one single user’s activity and improving high bounce lowe conversion web pages are other interesting articles to consider.
