The differences between Android and iOS require developers to use specific tools and processes for each platform, including hardware requirements for iOS. Also, we’ll be covering interaction performance, not load speed, so you won’t hear a word about Lighthouse 🤐)ĭeploying React Native apps manually on a local machine can be complex. (Note: This workshop is best suited for engineers who are already familiar with how useMemo() and memo() work – but want to get better at using the performance tools around React. But we’ll talk about everything that comes before – and learn how to analyze any React performance problem, step by step. We won’t talk about the solutions (in 90% of the cases, it’s just the ol’ regular useMemo() or memo()). We’ll take a slow app → debug it (using tools like Chrome DevTools, React Profiler, and why-did-you-render) → pinpoint the bottleneck → and then repeat, several times more. And in this workshop, Ivan will teach you that too. Now, Ivan knows exactly where and what to look for. He would do a recording in Chrome DevTools or React Profiler, poke around it, try clicking random things, and then close it in frustration a few minutes later. He would see a slow interaction, try a random optimization, see that it didn't help, and keep trying other optimizations until he found the right one (or gave up).īack then, Ivan didn’t know how to use performance devtools well. Ivan’s first attempts at performance debugging were chaotic.
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