Install react-router-dom.Ĭhange your working directory to lazy-loading-demo. Npx create-react-app lazy-loading-demo 2. In this section, we'd build a simple react application to give you an overview of how it works. Demo React App To Implement Lazy Loading With React Router v6. If you need a refresh on routing in react with react-router-dom, I'd suggest you read through this article before you continue. How about we get our hands dirty for a minute? Now, we've covered the very basics of lazy loading and why it's important. Other derived advantages include better user experience and better overall score in lighthouse audits - I bet you'd want to have that :) In effect, lazy loading affects all elements of a web page including images.
Why? Every website visitor wants a fast page, the shorter your page load time, the better your SEO. SEO: SEO audits in google chrome's lighthouse capitalize on deferring offscreen images. You can add a significant boost to your performance if lazy loading is used to defer unneeded resources and thus reducing the initial load time. Performance: The performance of your web application or website is subject to but not limited to the number of resources rendered on load. Get that? Why should you use lazy loading in your next react project? In a nutshell, lazy loading is a technique used to render only 'needed' resources and delay the load of the rest until they are requested. The consequence of rendering all the pages on the websites from the server would cause the load time to increase and, in effect, provide a poor experience for the visitor. If a user visits the homepage of a website that employs lazy loading to render the pages, only the home page gets rendered because that's what the user wants to see at that moment. How stressful is it for you to carry a 50kg bag from room A to room B in an apartment when you only need the pen inside it? That's exactly what lazy loading defers! The next section would explain briefly lazy loading and its effect on web applications.
In this article, you would learn about the major advantages of lazy loading and how to implement it in Reactjs. How? React provides utility functions that help you to improve performance among other things with lazy loading. Have you ever thought about increasing the performance score of your react application by some percentage? Lazy loading is one of the ways to get that done.