What are React Server Components (RSCs)?

In our last article in the series, we talked about how React is able to pre-generate HTML from JSX on the server (or developer's machine) prior to being shipped to the end-user. This process is called "SSR" and can be mission-critical in getting your applications as performant as possible.

I originally wrote that article in early 2020. At this point in React's development lifecycle, there was an inherent problem to using SSR; it would lead to duplicate effort between …

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