WWDC21: Ultimate application performance survival guide | Apple

Performance optimization can seem like a daunting task — with many metrics to track and tools to use. Fear not: Our survival guide to app performance is here to help you understand tooling, metrics, and paradigms that can help smooth your development process and contribute to a great experience for people using your app. Explore related documentation, sample code, and more: Analyzing the performance of your shipping app: https://developer.apple.com/documentation/Xcode/analyzing-the-performance-of-your-shipping-app Improving app responsiveness: https://developer.apple.com/documentation/Xcode/improving-app-responsiveness MetricKit: https://developer.apple.com/documentation/MetricKit App Store Connect API: https://developer.apple.com/documentation/AppStoreConnectAPI XCTest: https://developer.apple.com/documentation/XCTest Optimize app power and performance for spatial computing: https://developer.apple.com/videos/play/wwdc2023/10100 Diagnose Power and Performance regressions in your app: https://developer.apple.com/videos/play/wwdc2021/10087 Detect and diagnose memory issues: https://developer.apple.com/videos/play/wwdc2021/10180 Triage TestFlight crashes in Xcode Organizer: https://developer.apple.com/videos/play/wwdc2021/10203 Understand and eliminate hangs from your app: https://developer.apple.com/videos/play/wwdc2021/10258 Identify trends with the Power and Performance API: https://developer.apple.com/videos/play/wwdc2020/10057 Diagnose performance issues with the Xcode Organizer: https://developer.apple.com/videos/play/wwdc2020/10076 Eliminate animation hitches with XCTest: https://developer.apple.com/videos/play/wwdc2020/10077 Why is my app getting killed?: https://developer.apple.com/videos/play/wwdc2020/10078 What's new in MetricKit: https://developer.apple.com/videos/play/wwdc2020/10081 Getting Started with Instruments: https://developer.apple.com/videos/play/wwdc2019/411 Explore UI animation hitches and the render loop: https://developer.apple.com/videos/play/tech-talks/10855 More Apple Developer resources: Video sessions: https://apple.co/VideoSessions Documentation: https://apple.co/DeveloperDocs Forums: https://apple.co/DeveloperForums App: https://apple.co/DeveloperApp