Faster load times equal a better user experience. Faster load times - SSR generally produces a fast First Paint (FP) and First Contentful Paint (FCP).This avoids additional round-trips for data fetching and templating on the client since it’s taken care of before the browser gets a response, therefore, server-side rendering helps you get your website rendered faster. With static websites or pages, SSR can be useful as it generates the full HTML for a page on the server in response to navigation. Improved performance - The wait time needed to download, parse, and execute the JS code in the browser is eliminated.The client’s JS bundle then takes over and the SPA framework can operate as normal. SSR sends a fully rendered page to the client. Server-side rendering is the process of taking a client-side only single page application (SPA) and rendering it to static HTML and CSS on the server, on each request. In this post, we’ll focus on server-side rendering (SSR), starting with a quick overview of what SSR is, then explore how to do it with Node.js, finishing with a look at SSR at the Edge. Netflix, for instance, server-renders its relatively static landing pages, while prefetching the JS for interaction-heavy pages, giving the heavier client-rendered pages a better chance of quick loading. In reality, you can opt to use different approaches for different pages. Running a client-side application at build time to capture its initial state as static HTML.Įach approach has pros and cons in relation to performance. “Booting up” JavaScript (JS) views in the browser so they reuse the server-rendered HTML’s DOM tree and data. Rendering an app in a browser, by manipulating the DOM. Rendering a request for a page as HTML on the server, on each request. Decisions around these approaches typically revolve around performance impact, including Time To First Byte (TTFB), First Paint (FP), First Contentful Paint (FCP), and Time To Interactive (TTI). There are several approaches to rendering ( thanks to Google for the definitions and diagrams). One of these core decisions is where to implement rendering logic in your application. As you build your website, you inevitably make a series of foundational decisions that will impact the entire architecture of your applications.
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