How do I view historical scans?

You can easily check past scans to see how your ranking positions have changed over time. Simply use the date selector to view all scans and select the one you want to view:

If you want to compare scans side by side, select the compare option (top right), then change the dropdown menu from competitors to past scans and select the appropriate date:

When looking at all grids for a location, if you have multiple scans available, you will be able to see some progress metrics, which are measured from the previous scan.