You can compare 2-5 Analytics Campaigns at one time.

• First make sure you are logged in and viewing your Dashboard Inbox.
• Filter your view to only display Analytics Campaigns by clicking the blue graph icon in the upper right of the Inbox view.
• Select 2-5 Analytics Campaigns by checking the checkbox options to the left.
• Click the 2 horizontal gray arrows that appear at the upper right, next to the trashcan icon (hovering will display "Compare Analytics Campaigns").
• A popup window titled "Compare Multiple Campaigns" will display, asking you to confirm that you would like to compare the selected campaigns. 
• Press "Submit" and your Comparison Summary will display accordingly.