How can server-side rendering (SSR) be optimized in React applications?

Instruction: Discuss strategies for optimizing SSR for performance and SEO in React applications.

Context: This question evaluates the candidate's knowledge of server-side rendering with React, focusing on optimization techniques for faster load times and better search engine indexing.

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1. Code Splitting: One of the first strategies I deploy is code splitting. By dividing the code into smaller bundles that can be loaded on demand, we ensure that the server only renders what's necessary for the initial load. This significantly reduces the amount of code processed and sent over the network. Tools like React.lazy and React Router work wonders in implementing code splitting on both the server and client sides. 2. Caching: Caching is paramount. On the server side, I often employ strategies to cache the output of rendered pages. This means subsequent requests to the same page can be served instantly, dramatically decreasing the time to first byte (TTFB)...

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