---
title: "Discussion on \"What is useMemo hook in React?\" | Hashnode"
description: "Discussion on \"What is useMemo hook in React?\". The useMemo hook in React is used for optimizing the performance of components by avoiding expensive computations that need not be done on every render."
url: "https://hashnode.com/posts/what-is-usememo-hook-in-react/63aa8a0ab1011ed9ec6d6c2f"
---

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# [What is useMemo hook in React?](https://blog.bhagyamudgal.com/what-is-usememo-hook-in-react?utm_source=hashnode&utm_medium=feed)

The useMemo hook in React is used for optimizing the performance of components by avoiding expensive computations that need not be done on every render.

Dec 27, 2022 · 2 min read · blog.bhagyamudgal.com  
Updated Dec 30, 2022  
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-   [#reactjs](https://hashnode.com/tag/reactjs)
-   [#reacthooks](https://hashnode.com/tag/reacthooks)
-   [#web-development](https://hashnode.com/tag/web-development)
-   [#webdev](https://hashnode.com/tag/webdev)

## Written by

[Bhagya Mudgal](https://hashnode.com/@bhagyamudgal)

@bhagyamudgal · Uttarakhand, India

  
[View profile](https://hashnode.com/@bhagyamudgal)

Software Engineer @ KAPX | Full Stack Web Developer (MERN) | Web3 | Blockchain

Hi there! My name is Bhagya Mudgal, and I am a Software Engineer at KAPX. I have experience in developing decentralized applications on Solana and EVM-compatible blockchains and am passionate about using the latest web technologies to build high-quality web applications. In addition to my professional experience, I am always eager to learn and work with new technologies and share my knowledge with others. I am excited to continue growing and learning in my field, and I look forward to connecting with others who share my interests.

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