The definitive guide to profiling React applications

Knowing how to profile a React application to improve real-world performance is a good tool in any front-end developer’s toolkit. The Profiler API allows us to do just that with insights on why and how long our components are rendering for. We can use the profiling data to find unnecessary and expensive renders that may be impacting performance negatively. Thankfully, it’s not that complicated. Le

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React DevToolsを使ったプロファイルとパフォーマンス改善について。 DevToolsのFlamegraphなどの各種グラフの読み方、renderやcommitの意味、`Profiler`コンポーネントについて。 入力に対してデータの取得と更新を行うコードを例にし