In today’s web development landscape, one word is stressed upon frequently which assists not only the developers but, the marketers as well to efficiently manage the websites is the ‘Server-side rendering’ or SSR. Earlier, client side rendering was in full effect but, lately server side rendering has garnered much of the attention. So, what exactly is server side rendering? In this blog, we will learn about what server-side rendering is and also look into the 5 leading server-side rendering frontend technologies for 2025, you can use to develop your websites.

What is Server-side rendering?

Server-side rendering is a web development technique which website development companies employ where the complete generation of the HTML page happens at the server unlike client-side rendering where the browser initially loads a bare-bones HTML file and relies heavily on JavaScript to fetch and render the content. When a user requests a page, the server processes the request, executes any necessary backend logic, retrieves data from databases or APIs, and then compiles the HTML content dynamically before sending it to the user’s browser.

SSR ensures that users receive the requested HTML page fully-formed right from the start, allowing content to appear faster in the browser compared to CSR. It is beneficial for improving search engine optimization (SEO), as search engine bots can easily crawl the pre-rendered HTML without needing to execute JavaScript.

How server-side rendering works?

  • The browser sends a request to the server.
  • The server processes this request and generates an HTML document with the content.
  • This HTML document is sent back to the browser.
  • Once the HTML is rendered, JavaScript takes over to make the page interactive.

Advantages of server-side rendering

  • Improved SEO: Search engine bots can crawl the pre-rendered HTML pages easily. This makes SSR suitable for the websites with rich content or eCommerce websites.
  • Faster Initial Load Time: Core Web Vitals also improve due to SSR as the content tend to appear/load faster as compared to CSR because the pages are generated on the server-side.
  • Better Performance on Low-Powered Devices: Devices with limited processing power benefit from pre-rendered HTML.

5 leading server-side rendering frontend technologies

Let us look into some of the frontend technologies for server-side rendering which are expected to be used more in 2025.

Next.js (React)

Next.js is a React-based framework created by Vercel (formerly Zeit) in 2016. It was designed to make server-side rendering and static site generation accessible to React developers. Over the years, it has grown into a comprehensive framework offering hybrid rendering, dynamic routing, and seamless integration with React's ecosystem. Its focus on developer experience and scalability has made it a popular choice for modern web apps.

  • Built on React.
  • Provides a file-based routing system.
  • Uses Node.js under the hood for server-side execution.
  • Offers support for incremental static regeneration.

Leverage dynamic routes with getServerSideProps only when absolutely necessary. Use static site generation (SSG) for pages that don’t change often to boost performance.

Nuxt.js (Vue)

Nuxt.js was introduced in 2016 by brothers Alexandre and Sébastien Chopin as an opinionated Vue.js framework to make server-side rendering straightforward for Vue developers. It draws inspiration from Next.js, offering features like file-based routing, middleware, and a modular architecture. Over time, it has evolved to support hybrid rendering and static site generation, becoming a go-to framework for building scalable Vue apps with SSR capabilities.

  • Built on Vue.js.
  • Supports modular architecture with built-in middleware.
  • Offers an opinionated folder structure for ease of development.

Utilize nuxt generate to create pre-rendered static pages for parts of your site to combine the benefits of SSR and SSG.

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SvelteKit (Svelte)

SvelteKit is the official framework for Svelte, announced in 2020 and designed to provide a robust application framework for Svelte developers. Svelte itself, created by Rich Harris in 2016, introduced a paradigm shift by compiling components into minimal JavaScript for improved performance. SvelteKit extends this concept by adding file-based routing, SSR, and a plugin system, making it suitable for building modern, high-performance apps.

  • Built on the Svelte compiler, which converts components into highly optimized JavaScript.
  • Utilizes a routing system inspired by file-based routing.
  • Supports adapters for deploying to multiple platforms like Vercel, Netlify, and Node.js servers.

Avoid over-fetching data in load functions. Fetch only what’s essential for each page to keep the SSR process snappy.

Remix (React)

Remix is a relatively new framework, released in 2021 by Michael Jackson and Ryan Florence, the creators of React Router. Remix emphasizes progressive enhancement by focusing on the web's native capabilities and offers seamless SSR for better SEO and performance. Its nested routing architecture simplifies data management and ensures fine-grained control over rendering. Remix also supports advanced caching mechanisms, making it a robust choice for modern web apps.

  • Built on React and React Router.
  • Uses a nested routing system that enables granular control over data and components.
  • Integrates seamlessly with both server and client.

Take advantage of loader functions to fetch data specifically for the route being rendered, avoiding unnecessary API calls.

Astro

Astro is a relatively new framework, launched in 2021 by Fred K. Schott and his team, focused on building fast, content-heavy websites. Unlike traditional frameworks, Astro allows developers to use multiple frameworks (React, Vue, Svelte, etc.) in a single project, while delivering minimal JavaScript to the browser. Its innovative islands architecture renders static content server-side and hydrates only interactive components, ensuring exceptional performance.

  • Component agnostic: Supports React, Vue, Svelte, and others.
  • Uses an island architecture where only interactive parts of a page are hydrated.
  • Focuses on minimal JavaScript by default.

Use Astro’s partial hydration feature for interactive components, ensuring static parts load instantly while keeping the site blazing fast.

Conclusion

Server-side rendering (SSR) plays a crucial role in enhancing user experience, improving SEO, and boosting performance. Frameworks like Next.js, Nuxt.js, SvelteKit, Remix, and Astro offer unique advantages and capabilities, catering to diverse project requirements. Whether you are looking to build a fast-loading content-driven website, a scalable web application, or an SEO-friendly platform, choosing the right SSR framework is key. By combining these technologies with best practices in web app development, you can create high-performance, scalable, and user-centric digital experiences that stand out in today’s competitive market.