First, we need to draw a fundamental distinction between React and NextJS:
Next.js is used on top of React, expanding its capabilities and streamlining the development process: React doesn't need to work with Next.js, but Next.js uses React to deploy apps.
React has a dedicated framework called Create React App (CRA), an application used to set up React projects that include tools like ESlint.
Next.js is a React-based framework that builds server-side rendered apps. React is still the app's foundation, but the structure and navigational mechanisms - the architecture - are defined by Next.js.
If you're like most developers, you're probably thinking, "Wait a minute! What's the difference between client-side rendering and server-side rendering?"
But why are we comparing Nextjs vs React and not Next.Js vs Create React App (CRA) or other frameworks?
Next.js has a different approach from CRA. Next.js moves the rendering aspect to the server, so the client doesn't have to process that information. This improves performance and SEO because the server pre-renders the pages and then sends the final HTML to the client, resulting in minimal JS, which means less code to load. Users can expect a faster website, but crawlers can also see your website more quickly and index it accordingly.
Pre-rendering has two approaches: Static Generation and Server-side rendering (SSR). Static Generation is and will always be the best performance-wise. Pre-rendering means the page is generated at build time and re-used for every request. In practice, static pages are usually served over a content delivery network (CDN), making it super fast.
SSR is preferable under certain circumstances, such as presenting frequently updated dynamic data: the page will be generated over each request and then sent to the client.
While SSR is still better than client-render apps, it has a lower performance than Static Generation, so it's important to know when to use SSR over Static Generation because otherwise, you won't be able to obtain the benefits of NextJS.
Next.js also allows hassle-free complex structures using a folder system, making the process more intuitive and simple. On the other hand, CRA builds single-page applications right out of the box, as long you are not concerned about routing. The main difference between CRA and NextJS is that NextJS will run on the server while CRA will run on the client's browser, which imposes significant changes to your code.
But that's about as far these frameworks can be compared. Beyond this point, it's all about the native features of React.Js vs. Next.js'. So we’ll be focusing on what React provides and how Next.js improves its core potential.
React is a JavaScript library for building user interfaces developed by Facebook, made open-source in 2013. It is used to design interactive user interfaces effortlessly, using components that work in a simple way: they receive the input data and render the display. The output can go from a traditional "Hello World" print to complex UI's, using rich data.
React is one of the most popular front-end development libraries today, being used along with React Native (another framework) and Redux for enterprise-grade mobile applications. React Hooks is another commonly React-based tool used to handle component behavior and logic. React components are easy to use and apply to complex structures because of their declarative nature while maintaining scalability.
It is used to build dynamic, SEO-friendly websites (Search Engine Optimization), mobile apps, single-page applications, dashboards, and visualization tools. Some of the most popular platforms and apps we use every day are made with React: Facebook, Netflix, Reddit, BBC.com, Airbnb, etc.
React's main competitors are Angular and Vue.js, but it has been consistently the most popular library of the three in the last years.
React is widely used for many reasons. As a JavaScript library, it is easy to learn by developers who already dominate the language. React changed the way applications are built, and there are a few reasons why.
React needs a framework to develop its full potential. Next.js is one of the most powerful frameworks that use React to build applications.
Next.js is an open-source framework designed to work with React, created by Vercel. It claims to be the Web's Software Development Kit with all the tools needed "to make the Web. Faster" (sic). So far, the claim remains undisputed.
It works on top of React, along with Node.js, to create server-side rendered apps or hybrid static apps. It provides structure to React's functionalities while adding a few of its own. It is opinionated, which means it defines how the application should be structured, routing pages through a simple file folder system.
Next.js is used to build landing pages, SEO-friendly websites, eCommerce stores, and all kinds of web applications that need fast, high-performance load times.
Some of the most outstanding examples of Next.js in action are Twitch.tv, TikTok, Hulu, Binance, and many other websites and platforms that involve a massive number of users engaging with complex data influxes.
Next.js edge over other frameworks comes from a set of distinctive features. The main ones are:
At the time of writing, Next.js was in version 12, the biggest release so far, mainly focused on integration and speed. Among its new features, Next12 has a Rust compiler for faster builds, better image management, optimized SEO crawlability functionalities, along with operational tools that make it even more production-friendly.
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But why use Next.js and not other frameworks for React? It depends on the production requirements and medium/long-term goals, but these are some of the main reasons developers are inclined to use Next.js.
"scripts": { "lint": "next lint"} . It’s that easy.
These Next.js characteristics shouldn't count as disadvantages but as inherent features. All tools have some features that are more or less friendly, according to developer experience, and these two must be taken into account:
Suppose you're looking to build applications that are fast, highly customizable, easy to edit, with improved SEO capabilities. In that case, Next.js is a tool to consider, especially if your development team works with React already and is open to applying a new tool to their workflow.
What Next.js does is to provide structure and better rendering features to React. As stated before, it works on top of React since it names itself as "The React Framework for Production". So, it works as an engine for React's capabilities, using many tools and resources already used by React like Redux or Hooks.
Keeping with the automobile metaphor, Next.js has features that turbo-charge the already highly-capable functionalities of React.
Q: Can I use Next JS without knowing React?
A: Next JS is built on top of React, so having a solid understanding of React is actually quite helpful before diving into the waters of Next.js. But don't let that scare you! They are both fun and engaging to learn.
Q: Is NextJS better than ReactJS?
A: It's not appropriate to declare that in Next js vs React, there is one universally better than the other, as they each have their strengths. Next.js extends React's capabilities by offering built-in server-side rendering and other features, thus enhancing performance for full-scale applications. On the other hand, React offers flexibility and is excellent for building dynamic user interfaces. Your choice would depend on the requirements of your project.
Q: Is NextJS faster than ReactJS?
A: Next.js could potentially deliver faster website load times due to its server-side rendering features, which can improve both performance and SEO.
Q: Do I need Next JS for React?
A: You don't need Next JS for React; React can function independently. However, Next.js with React can help you use additional features like built-in server-side rendering.
Q: Is NextJS the official React framework?
A: Next.js isn't officially billed as the "official" React framework, but it was designed to work excellently with React. Created by Vercel, it's an open-source framework that allows developers to build server-rendered React applications with ease.
Content writer and digital media producer with an interest in the symbiotic relationship between tech and society. Books, music, and guitars are a constant.
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