Aggregated performance information for video content items

Methods, systems, and apparatus, including computer programs encoded on a computer-readable storage medium, including a method for presenting aggregated performance information for video content items. The method comprises identifying a video content item displayable in a plurality of different format types to users. The method further comprises collecting performance information related to the display of the video content item when presented in each of the different format types. The method further comprises aggregating the performance information for the different format types, where the performance information includes information selected from a group comprising a number of thumbnail impressions, a number of video impressions, a number of views, a view rate, an average cost-per-view, a total cost, or a number of clicks to a landing page, including providing overall performance information for the video content item. The method further comprises presenting the aggregated performance information for the video content item.