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Streaming Server-Side Rendering: Efficient Content Delivery
Hamza Miloud Amar
June 29, 2024
5 min read
In our last post, we covered Progressive Hydration. Today, we'll focus on Streaming Server-Side Rendering, an innovative approach that streams HTML content from the server to the client as it is being rendered. This technique reduces time-to-first-byte and improves perceived performance by allowing users to see content faster.
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Imagine you're at a fancy restaurant and you order a multi-course meal. Instead of waiting for the entire meal to be prepared, the chef sends out each dish as soon as it's ready, starting with the quickest to prepare and ending with the dish that takes the longest. This way, you start enjoying your meal faster without waiting for everything to be finished.
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With streaming server-side rendering, you don't have to wait for an entire webpage to load before seeing it. Instead, the server sends parts of the page as soon as they are ready. This allows you to start viewing and interacting with the initial content while the rest is still being processed and delivered. Think of it like enjoying an appetizer while the chef prepares the main course.
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performance improvement: Streaming delivers page incrementally. This significantly improves perceived performance, especially for larger or more complex pages, by reducing Time to First Byte (TTFB) and allowing for faster First Paint (FP) and First Contentful Paint (FCP).
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Selective Hydration: Each part of the page is made interactive (hydrated) as soon as it arrives from the server, providing a seamless and responsive user experience.
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SEO friendly: Search engines love static websites because of their simple structure and fast loading times. 🏆
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Complexity: Identifying and addressing potential performance bottlenecks section and use it as a separate chunk that need to be streamed to don't slow down the page.
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Caching: Managing cache invalidation can be tricky, as you need to ensure users always get the latest content.
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Data Consistency: Ensuring consistent data across different parts of the app can be challenging, especially with asynchronous data fetching.
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Yes, several frameworks support Streaming SSR. Some popular ones include:
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Next.js: Offers built-in support for both SSR and Streaming SSR.
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Hydrogen: A framework by Shopify that leverages Streaming SSR for e-commerce sites.
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React: With React 18, features like Suspense for data fetching enhance Streaming SSR capabilities. 🌐
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Thank you for exploring Streaming Server-Side Rendering with us. In our next post, we'll discuss Island Architecture, a unique rendering pattern that enhances the performance of interactive applications by isolating dynamic components. Goodbye for now, and see you in our next discussion on Island Architecture!
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