What's automatically optimized with a Performance max campaign?

In a Performance Max campaign,the aspect that is automatically optimized is budget allocation across networks, as correctly identified in the answer.Performance Max campaigns leverage advanced artificial intelligence(AI)algorithms to optimize towards a retailer's business goals across Google's suite of ad networks,including Search,Display,YouTube,Gmail,and more.One of the key advantages of Performance Max campaigns is their ability to dynamically allocate the campaign budget across these various networks based on real-time performance signals and user behavior.This automated budget allocation ensures that advertising spend is directed towards the most effective channels and audiences,maximizing the campaign'sreach, visibility,andimpact.By automatically optimizing budget allocation across networks,Performance Max campaigns enable advertisers to achieve their desired campaign objectives more efficiently and effectively,ultimately driving better results and return on investment(ROI).Therefore,understanding the automated optimization of budget allocation across networks underscores the effectiveness and value of Performance Max campaigns in optimizing advertising performance and driving business outcomes across Google's advertising ecosystem.