[null,null,["最后更新时间 (UTC):2025-01-24。"],[[["Starting with Google Mobile Ads SDK version 21.0.0, you can optimize SDK initialization and ad loading to enhance ad responsiveness and mitigate ANR errors."],["To enable these optimizations, you need to add specific `\u003cmeta-data\u003e` tags to your app's `AndroidManifest.xml` file, controlling initialization and ad loading separately."],["By default, both optimization flags (`OPTIMIZE_INITIALIZATION` and `OPTIMIZE_AD_LOADING`) are set to `false` and require manual activation."],["Optimizing initialization is best achieved by calling `MobileAds.initialize()` on a background thread; if this is not feasible, enabling the `OPTIMIZE_INITIALIZATION` flag helps by offloading some tasks to a background thread."],["The `OPTIMIZE_AD_LOADING` flag enhances ad load calls for all ad formats, improving overall ad loading performance."]]],[]]