…cantly less than CSR throughput. For react in particular, the throughput impact is extremely large.
ReactDOMServer.renderToString is a synchronous CPU bound call, which holds the event loop, which means the server will not be able to process any other request till
ReactDOMServer.renderToString completes. Let’s say that it takes you 500ms to SSR your page, that means you can at most do at most 2 requests per second. *BIG CONSIDERATION*