Display lost IS (rank) column
The percentage of time your ads weren’t shown on the Display Network due to poor Ad Rank.
Learn more about reporting on impression share in Search Ads 360.
If you have access to multiple advertisers, you can view impression share at the agency level and compare impression share across advertisers.
Otherwise, navigate to an advertiser or to a specific Google Ads engine account.
Click the Engine accounts, Campaigns or Ad groups tab.
- Select a time range.
Above the performance summary graph, click the Columns button.
Type the column name in the search box.
Click + next to the column name to select the column.