@sankalped @Netlify It doesn't.
There is no webserver to perform server-side rendering at request-time. Instead think of @Netlify as a CDN to serve your pre-rendered sites. Includes are typically performed by the templating of a SSG at build time.
See https://www.staticgen.com/ for leading SSGs
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.