--- title: Optimizing React App Performance | daily.dev description: Learn essential tips to optimize your React application for better performance. Key strategies include using React.memo to prevent unnecessary re-renders,... canonical: https://daily.dev/posts/8157sc79k twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Optimizing React App Performance | daily.dev og:description: Learn essential tips to optimize your React application for better performance. Key strategies include using React.memo to prevent unnecessary re-renders,... og:url: https://daily.dev/posts/8157sc79k og:image: https://api.daily.dev/og/posts/8157Sc79K.png og:image:alt: Post cover image og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Optimizing React App Performance **[Headless CMS & eCommerce](https://daily.dev/sources/headless)** · [@idorenyinakaninyene](https://daily.dev/idorenyinakaninyene) · 76 upvotes · 2 comments ## Summary Learn essential tips to optimize your React application for better performance. Key strategies include using React.memo to prevent unnecessary re-renders, avoiding anonymous functions in JSX to reduce memory usage, splitting large components into smaller ones for more efficient rendering, and employing React.lazy and Suspense for lazy loading components, which improves initial load times. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@vinhhong68** · 6 upvotes > The second tip about not using arrow function is not correct. If you use function component, all functions inside component will be re-created. --- Tags: [#webdev](https://daily.dev/tags/webdev), [#javascript](https://daily.dev/tags/javascript), [#react](https://daily.dev/tags/react), [#performance](https://daily.dev/tags/performance) [View this post on daily.dev](https://daily.dev/posts/8157sc79k) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/8157sc79k","headline":"Optimizing React App Performance","text":"Shared: Optimizing React App Performance","url":"https://daily.dev/posts/8157sc79k","datePublished":"2024-08-04T01:39:58.294Z","dateModified":"2024-08-04T01:40:25.361Z","author":{"@type":"Person","name":"Idorenyin Akaninyene","url":"https://daily.dev/idorenyinakaninyene","image":"https://lh3.googleusercontent.com/a/ACg8ocJRyhilvqydtSt3vjvkW-p3gDaTdPHF_XepxHcTIVAOuQ=s96-c","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":440}},"image":"https://media.daily.dev/image/upload/s--2-1xRawN--/f_auto/v1722860399/public/Placeholder%2011","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":76},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":2}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/AtnXqp6E5"},"comment":[{"@type":"Comment","text":"The second tip about not using arrow function is not correct. 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