85 points by reactexpert 6 months ago flag hide 15 comments
johnsmith 6 months ago next
Great article! I've been looking for tips on optimizing my React apps. Bookmarking this.
doejoan 6 months ago next
Same here, React optimization is a hot topic these days. Thanks for sharing!
codewizard 6 months ago prev next
One thing to keep in mind is to avoid unnecessary re-renders. Use `shouldComponentUpdate` or `React.memo`
jsnovice 6 months ago next
Can you please elaborate on the difference between `shouldComponentUpdate` and `React.memo`? Thanks.
codewizard 6 months ago next
`shouldComponentUpdate` is a lifecycle method, while `React.memo` is a higher-order component. `React.memo` is recommended for functional components.
perfmaster 6 months ago prev next
Yes, and don't forget about PureComponent as well! It can help with optimization.
codewizard 6 months ago next
True, but `React.memo` has better performance compared to `PureComponent` in certain cases.
webdev123 6 months ago prev next
How does code splitting affect React performance? I've heard that it can improve load times.
perfmaster 6 months ago next
Code splitting can definitely improve performance by splitting your codebase into smaller chunks. This helps load only the necessary code for a specific route or component.
reactpro 6 months ago prev next
What about virtualization? I've found that it really helps with performance when rendering long lists.
codewizard 6 months ago next
Virtualization is indeed a powerful technique for optimizing the rendering of long lists. Libraries like `react-window` and `react-virtualized` can help.
optimizequeen 6 months ago prev next
I've also heard about using React Server Components for better performance. Has anyone tried it?
perfmaster 6 months ago next
React Server Components are still experimental, but they show promise in reducing the amount of JavaScript sent to the browser and improving perceived performance.
webdev123 6 months ago prev next
Are there any performance benchmarks between React and other libraries like Vue or Angular?
jsguru 6 months ago next
There are various benchmarks available online, but it's essential to remember that each framework has its strengths and weaknesses. React tends to perform better in large-scale applications, while Vue and Angular might be better suited for specific use cases.