How to make it stop lagging, please
summary
An engineer from VK describes measuring and improving app startup speed and responsiveness on iOS. The talk covers which performance metrics to collect, what happens from tapping the app icon to the first usable click, practical tactics to speed cold and post-launch responsiveness, and evaluation of optimization features in iOS SDKs (both legacy and recent).
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chapters (11)
- 0:00Introduction
- 3:13App lag meaning
- 10:03Measuring performance
- 18:29App startup types
- 20:16Startup time optimization
- 27:47Code parallelization
- 33:06Memory and thread issues
- 35:14UI responsiveness
- 36:41Content loading
- 37:45Summary
- 38:35Q&A
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