All JSON data and text is injected as JS var declaration inside a script tag, e.g. <script>window.__preloadedData = {…}</script>, that would be accessible to the index.js script (the SPA) that’s at the bottom of the server-modified index.html.
Alternatives to Server Side Rendered (SSR) React
marc fawzi
201

This is what we do at Zocdoc on our new SSR React experience. Works really well and I’m happy with the latency.

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