illumin Display Insights on the Canvas (new experience) helps marketers identify missing display creative sizes that limit auction reach and projected winnable impressions.
The tool analyzes live auctions and flags where the current mix of display creatives might be limiting reach due to missing sizes. For example, an auction requires a 250x250 display creative, and none of your campaign tactics has an image with those dimensions. When the tool identifies missed auction opportunities, it recommends creative sizes.
illumin Display Insights uses forecast data to estimate the number of winnable impressions for each suggested display creative size. These estimates are based on projected winning bids. Keep in mind that adding new creative sizes can expand access to auctions, but it does not guarantee an increase in auction wins or overall performance.
If you're reviewing the Impression Filter, there is a link that provides direct access to the Creatives tab and display insights.
The projected number of winnable impressions is dynamic. That number can change if there are adjustments to the creative mix, current targeting settings, and the time remaining in the flight.
Click the Show list link to display the suggested creative sizes. Each suggestion has four pieces of information.
Each suggested creative size in the list has a link to the library. Use this link to quickly find a creative that matches the suggested size.
The Library page displays a list of pre-sorted assets based on the suggested creative size.
If the insights panel does not appear on the Creatives tab, the campaign may not be live or may not contain display creatives. Confirm that the campaign status is live and that at least one tactic includes display creative assets. If the View insights tag does not appear in the Creative size filter, insights may not be available for the selected tactic.
The feature supports live Canvas campaigns with tactics that have display creatives.
Forecasts update when campaign variables change. Targeting shifts, creative mix changes, and time remaining in the flight affect projected impressions.
New display sizes open access to more auctions. This can increase reach and efficiency if the tactic aligns with demand in those auctions.
That usually happens for a few reasons. The campaign is not published or active, so the tool cannot analyze performance. Another reason is lack of scale. The estimated impact of new creative sizes is too small for the system to generate meaningful suggestions. Or, there is not enough forecasting data for the creative size.
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