Definition: Performance Max channel
A Performance Max channel is broadly defined as the surface where an ad was served. A single channel can include multiple ad formats. For example, a YouTube channel might include video, text, image, and product ads.
Performance Max channels include:
- Search
- Google Display Network
- YouTube
- Discover
- Maps
- Gmail
Search
The Search channel includes any ad that serves on:
- Google.com (excluding google.com/maps)
- Google Search app (excluding Discover feed)
- Search partners (excluding Maps search and YouTube search)
Google Display Network
The Google Display Network channel includes ads that run on the Google Display Network, which has 35 million websites and apps. Ads that run on Gmail and YouTube are excluded here, which are classified under their respective channels.
YouTube
The YouTube channel includes any ad that runs on YouTube, such as video and non-video ads. For example, text ads can appear in YouTube search results and image ads can appear in the YouTube home feed.
Discover
The Discover channel includes ads that run in Discover feed.
Gmail
The Gmail channel includes ads that run in individuals’ Gmail accounts.
Maps
The Maps channel includes ads that run on Google Maps and Waze.
Note: Shopping inventory is designated by the "Ads using product data" segmentation available in the channel performance report.
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