To view a TreeMap report in Google Analytics, navigate to the Acquisition menu, select All Traffic, and then select TreeMap. A treemap report displaying referral traffic by sessions appears.

A treemap chart provides a hierarchical view of data and makes it easy to spot patterns. Learn how to create a treemap chart in Excel.

Excel 2016 gives you six new chart styles. The three we explore here make it easier to compare data and show hierarchies and other relationships.