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6 Tips for Improving the Performance of your React Application

Masoud Banimahd
2 min readJan 6, 2023

React is a popular JavaScript library for building user interfaces, and with good reason: it’s declarative, efficient, and flexible. But as your React app grows and becomes more complex, it’s important to pay attention to performance to ensure that your app stays fast and responsive. Here are six advanced tips for improving the performance of your React app:

  1. Use the React.memo higher-order component: React.memo is a higher-order component that wraps a function component and only re-renders it if its props have changed. This can help to avoid unnecessary re-renders and improve performance.
  2. Use the useEffect hook for side effects: The useEffect hook allows you to perform side effects in a function component, such as fetching data or subscribing to an event. By default, useEffect will run after every render, but you can use the second argument to specify which dependencies should trigger the effect. This can help to avoid unnecessary re-renders and improve performance.
  3. Use the useMemo and useCallback hooks: The useMemo and useCallback hooks allow you to memoize values and functions, respectively, so that they are only recalculated when one of their dependencies changes. This can help to avoid unnecessary re-renders and improve performance.
  4. Use the useReducer hook

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Masoud Banimahd
Masoud Banimahd

Written by Masoud Banimahd

Experienced Full-stack Engineer | NodeJS & .NET Pro | Tech Enthusiast | Knowledge Seeker - Reach me : https://masoudb.com/

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