LogRocket also monitors your app's performance, reporting with metrics like client CPU load, client memory usage, and more. What are the performance differences between Next.js and Create React App? Redux is great because it scales a common method for working with your application’s state. I liked it so much, that I even rewrote my personal blog using Next.js (check out my post on it). I migrated my website(https://m.truebil.com) from CRA to Nextjs. LogRocket instruments your app to record requests/responses with headers + bodies along with contextual information about the user to get a full picture of an issue. To understand the details of these metrics, read the Lighthouse Scoring Guide. Modernize how you debug your React apps — start monitoring for free. Tôi đã luôn coi Vue là ngôn ngữ phù hợp cho việc bắt đầu. Công bằng mà nói, React cũng không khó để bắt đầu. Are you also a fan of shaving every bit and byte off your app's payload? Nhưng React kết hợp với Next.js thực sự cũng rất dễ dàng (chỉ trong vòng 1 giờ như phần trên tôi nói). Will, I did not include Gatsby because I believed it to be a static site generator. The linked Walmart Labs article is excellent but it’s important to remember it’s from 2017, and they call out synchronous SSR as a bottleneck with renderToString. One of the more notable differences for our purposes is the First Meaningful Paint. This is no longer the case with React 16 and the enhancements that Fiber brought. Instead of guessing why problems happen, you can aggregate and report on what state your application was in when an issue occurred. We will use the exact settings displayed above: If you live in Northern California and you are on servers living in AWS us-west-1 (N. California) all day, you are not experiencing your application the same way as your users in other parts of the United States, nor other parts of the world. Both React.js and Node.js are different technologies used to develop different parts of a web app. There are a few folks that have made implementations of Redux with Next.js, but it’s not as straightforward as what you’d see with a vanilla React app. LogRocket logs all actions and state from your Redux stores. Let’s unpack that question with some data, but first, we need to understand what exactly we are comparing here. For more about React on a high level, check out the official React documentation. The initial scaffold looks like this: With Next.js, you can get started by running npx create-next-app. Mobile devices generally have less processing power, so heavy JavaScript file parsing and expensive rendering can degrade performance. With React, you can get up and running by installing Node.js on your machine and running npx create-react-app my-app. Within the pages directory, you’ll see an index.js file, which is the entry point of your application. How can I improve the performance of returning user? These two frameworks come from a lineage of two powerful competitors – Google and Facebook. Both projects work and should only need the standard npm install to get up and going. Whether it’s a static site or a site that leverages multiple APIs, data is an important component. I have a question here. With it’s client side re-hydration it’s pretty solid for building web apps as well as static sites. 5 min read The developer experience is what makes engineers love what they do. For more on Next.js, check out the official Next.js documentation. Walmart Labs published a great post titled, “The Benefits of Server Side Rendering Over Client Side Rendering.” They also provide some excellent diagrams that demonstrate the fundamental difference between SSR vs. CSR performance. Now we can begin to discuss real examples of React vs. Next.js with the sample application I mentioned at the beginning. These diagrams postulate that SSR can deliver HTML to the browser faster than CSR can, so let’s make that our hypothesis: a web application built with SSR is more performant than one built with CSR. React, however, does require you to add libraries like React Router for routing, whereas Next.js offers that functionality out of the box with the Link component. Here are the Lighthouse results for a full page load on each application. In the real world, you find some of that, but usually one (or more) of those is lacking. If React is ever to win said dispute, it will need a solid framework to do so. With any application, you’ll always have a need to retrieve data. all come from a UI component library called Mineral UI. If you look in the react folder in my sample project, you’ll see the EpisodesPage component uses a Redux action to retrieve the episodes data, as you see here: The Redux action retrieves the values from a local file: With Next.js, you can leverage its built-in data fetching APIs to format your data and pre-render your site. This will create a basic project structure with src/App.js file as the entry point for the application. Next.js is used for server side rendering of react application .React along with other framework like angular and vue.js are traditional client side … The Lighthouse results from our simulations showed better metrics in the Next.js application in all significant categories, especially First Meaningful Paint (87.69 percent decrease), First Contentful Paint (87.69 percent decrease) and Time to Interactive (27.69 percent decrease). I realize that would be a more extensive benchmark to build out though. According to Google’s First Meaningful Paint docs: This audit identifies the time at which the user feels that the primary content of the page is visible. It saves you from time-consuming setup and configuration. Interesting, thank you for sharing! This makes your life easier because you’re writing less code, and the project is easy to follow. In the last episodes, I took a look at JavaScript vs TypeScript and React vs Vue vs Angular vs Svelte. 2789. Observations: The display of non-image content and the application becoming interactive is the same with both examples (< 1 second) The display of image content is delayed with Next.js (1.3 seconds) as compared to CRA (< 1 … I did leverage SSR with CRA though, so I’d be interested to know how CRA with SSR compares to Next.js. Based on these results, it can! Whether you decide on Next.js, Create React App, or another framework, monitoring performance is key. The react folder in the project is the React version, of course, and the next.js folder contains the Next.js version. However, the team members of Next.js are themselves very accessible in the open-source world. I encourage you to check them out, and check out my sample projects as well. When it comes to more advanced features like Redux or pre-rendering, both React and Next.js have tradeoffs. React and Next.js both provide great developer experiences in their own way. Let’s unpack that question with some data, but first, we need to understand what exactly we are comparing here. Recently built http://www.growable.io with Gatsby and the performance wins out of the box are crazy . It has negative impact on returning user because CRA works better for returning users. Thanks for reading my post! One of the more common patterns you see with React applications at scale is to use Redux. He helped me work on an issue and was really great to work with. I have experience with CRA but am considering Next.js for a new project. The public directory holds your static files or images you want to serve, and it can be directly accessed — no need to use require or other traditional React methods to import pictures into components. June 27, 2019 Our work with Next.js comes out much faster than if it was built on pure React or frameworks alike. What are the performance differences between Next.js and Create React App? The LogRocket Redux middleware package adds an extra layer of visibility into your user sessions. With React, you can also rely upon a great community of developers that have created content in blog posts, YouTube videos, Stack Overflow, and even the React docs themselves. In my sample project, if you go to the nextjs folder and the episodes.js page, you’ll see that information on The Mandalorian episodes is actually constructed by the call to getStaticProps, so the actual retrieval of the data only happens when the site is first built: Beyond the basic functions we’ve covered here, you also eventually will need to do something more complex.