The keyword search has narrowed down to Server-Side-Rendering and ReactJs 18 presents ReactDOMServer.renderToPipeableStream for this. and ReactJs 18 brings other concepts as Suspense, memo, and lazy.

I found two working projects while it is still feel a bit overwhelming and learning curve is pretty deep.

What I will do next.

Try a little bit

Try Next.js

Sebastian Vittersø  suggested using Next.js