[null,null,["最后更新时间 (UTC)：2025-02-27。"],[[["Before creating a new Performance Max campaign, check if your existing campaigns are eligible for a direct upgrade to leverage existing configurations and goals."],["Upgrading existing campaigns like Smart Shopping, Local, and Vehicle campaigns to Performance Max can unlock new channels and networks while retaining your advertising objectives."],["Google Ads provides tools and guidance to assist with the upgrade process, and in some cases, allows for A/B testing to compare performance."],["Campaigns using product or vehicle inventory feeds are compatible with Performance Max for online sales, offering enhanced features and functionalities."],["If your desired campaign type isn't explicitly listed for upgrade, there might be additional considerations regarding asset compatibility or automated bidding before proceeding."]]],[]]
