We want go fast Performance at Faire
summary
Defines TTI as end-to-end interaction to interactive UI and sets goals: app load <2s and TTI under 1s 95%. Builds in-app tracing for navigation and Jetpack Compose drawn state, finds 8 of 12 Android actions hit <1s only 50%. Changes OkHttp dispatcher to max requests per host = 10, deduplicates requests and moves analytics to another host, cutting 37 requests to 18 and raising sub-1s actions by 25%. Uses OkHttp disk cache with ETags and selective lazy loading (gains ~12% but can cost ~5% engagement).
AI-written summary · about
chapters (10)
- 0:00Introduction and Faire overview
- 1:52Defining performance and latency
- 4:00Setting performance goals
- 8:53Measuring performance with TTI
- 12:28Analyzing slowdown sources
- 13:11Optimizing network use
- 16:42Unblocking screens with lazy loading
- 18:06Caching strategies for speed
- 25:27Prefetching data to improve cache hits
- 26:50Improving and controlling performance
related talks
27mLet's Go Fast! Creating a Culture of Frontend Performance
30mPerformance as a Religious Experience
28mComponents: Fast & Furious
01h 12mMake It Seem Like Everything Loads Fast
41mSpeed Science
30mFast but not furious: debugging user interaction performance issues
47mMy name is — Speed
56mPerformance in the Field