this post was submitted on 04 Nov 2025
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You’re supposed to disable source maps in prod?
Asking for a friend
if you think your source code is that precious and unique and special, go ahead and worry about it haha
Just to save on wasted bandwidth for the client (and your server) is why I would disable them.
they're different files generally, the only client that will automatically request them is a debugger.
you turn them off because you don't want to expose your full source code. if you would be ok making your webpage git repo public then making sourcemaps available is fine.
I work for a large software corp and we generally keep them in prod because it makes debugging prod issues much easier. The browser only downloads them when the dev tools are open.
AFAIK, the source maps are only actually requested/downloaded when the user opens the dev tools. There’s no reason to have them automatically download for every visitor. The enable/disable simply toggles whether or not the request is accepted when the user opens the dev tools.
So if my understanding is correct, keeping it enabled wouldn’t really impact server load, unless lots of users are constantly using the dev tools.