Screenshot of a tutorial page titled “Slow Interactions” in a React performance guide. A sidebar on the left lists sections like “Getting Started,” “Unnecessary Re-renders,” and “Slow Interactions.” The main content explains that filtering a large list on every keystroke causes sluggish input because React processes input and list updates with the same priority. A highlighted note emphasizes that the input should respond immediately. Below, a “Hints” section suggests using useTransition and useDeferredValue to improve responsiveness.

Find the bottleneck. Fix it.

Hands on exercises to diagnose and fix the most common performance problems in React apps; from unnecessary re-renders to costly hydration

slowreact.vercel.app

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