This is one of the most recommended steps and should be taken by all admins regardless of size.
Using a CDN for static files will take pressure off the nginx/puma webserver when serving commonly available files like JS, CSS, SVG etc, and allows your web server to purely focus on the dynamic important stuff.
I'm running bunny.net CDN, and it's caching more than 95% of the static traffic. Which has dropped my CPU usage massively, and improved the `end user` experience for only a few bucks a month.
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