Minification is a method where the non-critical, as well as redundant resources, are removed to speed up the method.
It is a basic feature allowed by most optimization plugins.
By facilitating this, a single file will be used to deliver all the CSS resources and each resource will be grouped by media type.
Though some Java and CSS files are critical for the overall stability of the websites, not all have to load above-the-fold, which makes it render-blocking.
The option can drastically enhance the PageSpeed score as well as additionally assist you to achieve the perfect Web Vitals score.
Most of the time, without the CDN, you can reduce the load put on the server although it will still sweat.