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/documenta... Improving app responsiveness: https://developer.apple.com/documenta... MetricKit: https://developer.apple.com/documenta... App Store Connect API: https://developer.apple.com/documenta... XCTest: https://developer.apple.com/documenta... Optimize app power and performance for spatial computing: https://developer.apple.com/videos/pl... Diagnose Power and Performance regressions in your app: https://developer.apple.com/videos/pl... Detect and diagnose memory issues: https://developer.apple.com/videos/pl... Triage TestFlight crashes in Xcode Organizer: https://developer.apple.com/videos/pl... Understand and eliminate hangs from your app: https://developer.apple.com/videos/pl... Identify trends with the Power and Performance API: https://developer.apple.com/videos/pl... Diagnose performance issues with the Xcode Organizer: https://developer.apple.com/videos/pl... Eliminate animation hitches with XCTest: https://developer.apple.com/videos/pl... Why is my app getting killed?: https://developer.apple.com/videos/pl... What's new in MetricKit: https://developer.apple.com/videos/pl... Getting Started with Instruments: https://developer.apple.com/videos/pl... Explore UI animation hitches and the render loop: https://developer.apple.com/videos/pl... 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