Performance Max.

Performance Max (PMax) is a Google Ads campaign type launched in 2021 that consolidates all Google inventory — Search, Shopping, Display, YouTube, Gmail, Discover, and Maps — into a single campaign. Google's AI selects channels, audiences, and creative assets to meet the advertiser's specified conversion goals.

Asset Groups

PMax campaigns are built around asset groups: collections of headlines, descriptions, images, videos, logos, and audience signals. Google assembles and tests combinations across channels. Multiple asset groups within one campaign allow for thematic segmentation (e.g., product category or audience intent).

Audience Signals

Advertisers provide audience signals — custom segments, customer lists, in-market audiences — as starting hints. Google uses these as seeds but will expand beyond them to find converting users. Signals guide, not restrict, targeting.

Reporting Limitations

PMax offers less granular reporting than standard campaign types. Search term reports have been gradually improved but asset-level and placement-level detail remains limited compared to dedicated campaign types. Combining PMax with well-structured standard Search campaigns is a common agency strategy.