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App performance guide

This guide provides an overview of libraries, tools, and best practices you can use to inspect, improve, and monitor performance on Android.

Users want apps to launch quickly, render smoothly, and require little memory and battery usage. This guide's sections provide information and insights into tools, libraries, and best practices that help you achieve better app performance.

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Featured
Take the app performance quiz to get your App Performance Score. Each score comes with actionable insights, evaluations and recommendations to improve your app's performance.
Get your score
Learn about inspecting app performance during development.
Learn more
Improve app performance where it matters the most—in production.
Learn more
Monitor your app's performance in production to learn about potential bottlenecks.
Learn more
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Featured
Implementing Baseline Profiles is the quickest, most efficient way to realize performance improvements in your app.
Learn more
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Featured
With DEX layout optimizations, you can improve the locality of code used during startup, reducing the number of major page faults.
Learn more
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Use the Macrobenchmark sample library for testing application startup and runtime performance cases, such as scrolling a RecyclerView to measure jank.
Sample
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Use the Benchmark library to benchmark code and UI from library modules.
Sample
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Use the JankStats library to monitor performance on your app.
Sample

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Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

Last updated 2026-05-19 UTC.

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