As you’re building your Nexus, you’ll be presented with the opportunity of adding in a Google Analytics ID. By inserting this ID into your dashboard, you will be able to measure the effectiveness of any Nexus promotion you do.
This Google Analytics support article walks you through the process of creating your own Google Analytics account and explains where to find the ID. Once you’ve found the ID, copy and paste it into your Nexus Dashboard within the specified space. After you’ve done so, you’ll be able to track and measure all traffic to your Nexus.