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What is Server-side rendering (SSR) in Javascript

What is Server-side rendering (SSR)




buayaberdiri.blogspot.com - Server-side rendering (SSR) is a technique used in web development that involves rendering the user interface on the server before sending it to the browser. This is in contrast to client-side rendering (CSR), where the user interface is rendered on the client-side (in the browser) using JavaScript.

In this article, we will explore the concept of server-side rendering (SSR) in Javascript, including its benefits, drawbacks, and how to implement it in your application.

Why Use Server-Side Rendering?


The main benefit of server-side rendering (SSR) is that it can significantly improve the performance and user experience of your web application. Here are a few reasons why:

  1. Faster Initial Page Load

    With SSR, the server generates the HTML for the initial page load and sends it to the browser, which means that the user can see the content faster. This is because the browser doesn't have to wait for JavaScript to download and execute before it can start rendering the page.

  2. Better SEO

    Search engine crawlers can easily parse and index the HTML generated by the server, which can help improve your website's search engine rankings.

  3. Improved Accessibility

    Users with slow internet connections or devices with limited processing power may have a better experience with server-side rendering since the server generates the HTML and sends it to the browser, which reduces the amount of client-side processing required.

  4. Better Performance on Mobile Devices

    Mobile devices often have slower processing speeds and limited memory compared to desktops, which means that client-side rendering can be slower and use more battery. Server-side rendering can help improve the performance of your web application on mobile devices.

How to Implement Server-Side Rendering


Implementing server-side rendering (SSR) in your web application requires a bit of setup, but it can be done using a variety of tools and frameworks. Here are a few popular options:

  • Next.jsNext.js is a popular React-based framework that provides built-in support for server-side rendering. It uses Node.js to generate the HTML for the initial page load and then rehydrates the application on the client-side using React.

    Next.js provides several benefits out of the box, including automatic code splitting, serverless deployment, and built-in routing. It also supports static site generation, which can improve the performance of your web application even further.

  • React Server ComponentsReact Server Components is a new feature in React that allows developers to render components on the server using Node.js. This allows for faster initial page loads and better SEO, among other benefits.

    React Server Components are still in the experimental phase and not yet available in the stable release of React. However, it is an exciting development to watch and could become a more widely used approach in the future.

Other Options


There are many other options for implementing server-side rendering (SSR) in your web application, including:

  • Express.js: A popular Node.js framework that can be used for server-side rendering.
  • Nuxt.js: A Vue.js-based framework that provides built-in support for server-side rendering.
  • Gatsby.js: A React-based static site generator that provides built-in support for server-side rendering and other performance optimizations.

Drawbacks of Server-Side Rendering


While server-side rendering (SSR) provides many benefits, it also has some drawbacks that you should be aware of before implementing it in your application:

Increased Server Load


Since the server is responsible for generating the HTML for each page request, server-side rendering can increase the load on your server. This can be mitigated by using caching and other performance optimization techniques.

More Complex Development


Server-side rendering requires additional setup and development work, which can make it more complex than client-side rendering. This can be especially true if you're using a framework or tool that you're not familiar with.



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Jamal Wednesday, March 15, 2023 Tags: javascript, SSR