This method allows comparison via two separate reports.
- Navigate to Site Metrics > Visitors, and then the desired unique visitors report.
- In the segment dropdown at the top, select the First Time Visits segment.
- Click the Dashboard button to add this reportlet to a dashboard.
- Select the segment dropdown at the top again, and create a segment.
- Select a Visit container with the following rule:
- Include Visit Container where visit number is greater than 1
- Apply this segment to the report, and add it to the same dashboard. The resulting dashboard shows both reports side-by-side, allowing comparison between the two.