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Formats groups your ad units by format, so you can see whether a whole type of placement lost revenue, for example after a layout change that affected every top banner.

How it works

Stealth gives each ad unit a format from words in its name. The first rule that matches wins: A word counts when it stands alone between separators: HOME_TOP_1 is Top, DESKTOP_1 is not. Spaces and hyphens count as separators.
If many ad units fall under Other, include one of the words above in their names in Google Ad Manager. The new format appears after the next daily catalog.

What you see

The page always covers the last 7 days against the weekly average of the 3 previous weeks. It has no filters. The format also appears on the Panel (Formats Losing Revenue), on the client page and in the webhook payload, and you can create an alert exception for a whole format.
Last modified on October 30, 2026