Using Real User data:
Using Synthetic data:
The Object Activity by Domain Report helps you identify which domains on your site are taking the most time to load.
Analyzing the Object Activity by Domain Report
This report shows you a bar graph depicting the average time each domain on your site spent loading. It's ordered slowest to fastest from left to right. In other words, the domains with the most activity on your site appear toward the left.
Below the graph you can see the time period over which the data was collected.