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React 18 adds support for `Suspense` on server-side rendering (SSR) allowing serving parts of an app asynchronously possible, you can wrap a slow part of your app within the Suspense component, telling React to delay the loading of the slow component. It significantly improves the user experience and user-perceived latency. Unlike traditional HTML streaming, it doesn’t have to happen in the top-down order. We use [React Data fetching] to try to compare backend data fetching with practical solutions.