---
title: "Common React performance mistakes 💣"
url: https://daily.dev/posts/common-react-performance-mistakes--ewyexqmf0
source_url: https://dev.to/karthick3018/common-react-performance-mistakes-ac4
type: article
source: "DEV"
published: 2021-10-21T05:17:11.892Z
updated: 2026-03-15T03:32:09.110Z
tags: ["general-programming", "performance", "react"]
reading_time: 3
upvotes: 28
comments: 0
language: en
---

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# Common React performance mistakes 💣

**[DEV](https://daily.dev/sources/devto)** · 3 min read · 28 upvotes · 0 comments

## Summary

React.memo is mainly used to memoize the whole component. Don't use it in a component that props is frequently changing. In-line functions shouldn't be called without arrow functions. Use the same set of rules that can be applied to useMemo too.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://dev.to/karthick3018/common-react-performance-mistakes-ac4>

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---

Tags: [#general-programming](https://daily.dev/tags/general-programming), [#performance](https://daily.dev/tags/performance), [#react](https://daily.dev/tags/react)

[View this post on daily.dev](https://daily.dev/posts/common-react-performance-mistakes--ewyexqmf0)