Published: 23 Jul, 2022
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In this article, we will look at the two most popular choices for web development frameworks: React and Svelte. We will compare their features, advantages, and disadvantages to help you decide which framework is the best for you.
React Fiber – an improvement to Virtual DOM – is a method to perform incremental rendering. This improvement in rendering makes it possible to create smooth animations and manage state management more effectively. Furthermore, with the introduction of concurrent rendering in React 18, web developers can utilize server-side rendering to load content or UI elements in parts, thus reducing time to interactivity. It directly enhances the UX of your web apps or SPA (Single Page Applications).
Curious why technological giants used React? Read our blog on ‘Why React is so popular?‘.
React was initially built to solve state management at scale. React solves the issues of fetching data as smartly as possible and also managing that data as users navigate the app. On the other hand, Svelte was built to bring interactivity simply (good DX) and cheaply (good UX). Although React and Svelte can solve similar problem sets for web apps, the developer ergonomics will depend on the specific use cases listed in this blog’s other sections.
Svelte can be up to 20x faster than React and can easily outperform any other framework, including Vue, Angular, and React.
As the web apps load fast with React, the user experience improves considerably. With an improved user experience, companies have a high chance of increasing the loyalty of their customers towards the brands.
On the other hand, Svelte supports component-based UI design and thus is an exceptional library for building lightweight apps. Since Svelte removes the middle-stage loading of virtual DOM, there is a substantial increase in loading web applications designed with Svelte.
Server-side rendering has some impressive benefits – enhancing performance metrics like Time-to-FirstByte, Time-To-Interactive, etc. and improving SEO. But Single-page applications’ downside is not utilizing SSR. However, developers can use Node.js for SSR in React and Svelte.
React’s team has rolled out new methods and tools to perform SSR over the years. And in React 18, Suspense has significantly improved SSR performance. Sveltekit is an in-development application framework using Svelte. It is designed to use server-side rendering, code-splitting, advanced routing, prefetching, etc.
Another cool thing about Svelte is that its bundle size is only 1.6KB, whereas the bundle size of React is 42.2KB (with ReactDOM included). The smaller the bundle, the faster the page speed.
Svelte’s code is more readable and maintainable than React. Svelte developers find its structure is much smoother, which helps when they have to define hundreds of components.
However, React is incredibly handy when developers have to use specific parts of code in separate projects, significantly improving teamwork and code sharing. This allows new React developers to quickly catch up with the code rapidly, saving time and effort for the entire team.
With Svelte, developers can use the Svelte testing library for unit testing. The library has far less complex computations and is smaller when compared to React.
React developers can perform an end-to-end test of a complete app in a realistic browser environment, significantly reducing time-to-market and boosting the overall value you get from it.
Svelte: over 100,000 weekly downloads
React: over 6 million weekly downloads
With React being in the web development space for so long, it is undoubtedly the most prevalent web framework among professional developers and consequently a rich community.
Svelte, in comparison, only has been here for a couple of years, making it a less common platform. Therefore, Svelte developers are much more challenging to find than React developers, impacting their popularity.
React is an excellent framework for web developer productivity because you can reuse components across different projects and easily share them with others. Your team will spend less time debugging and more time focusing on your product.
Advanced technological companies like Facebook, Walmart, Netflix, etc., use React and don’t shy away from adopting newer technologies to optimize their web or mobile apps. Though, it is even more helpful to be aware of other lesser-known companies utilizing this powerful library. Read our blog – 5 successful examples of websites built using React.
Svelte’s compiler approach proves that virtual DOM diffing isn’t the only way to build fast, reactive applications – a good compiler can do the job. With good knowledge of JS, HTML, and CSS, mastering Svelte is a breeze. Additionally, Svelte is great for building powerful, fast, and lightweight applications.
Svelte is a much newer framework but is gaining popularity among seasoned and new developers. It has a more robust front-end background and is impressive for developing lightweight SPAs.
Need honest guidance on choosing the best tech stack for your next web app? Don’t forget to check out our Web development company. We have years of experience using and adopting the latest frameworks and technologies to deliver high-performing web applications.
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