This is only partially true. If you import common libraries or fonts from a CDN, it is likely that the user's browser has already downloaded those previously, l

This is only partially true. If you import common libraries or fonts from a CDN, it is likely that the user's browser has already downloaded those previously, leading to reduced loading times because the resource is retrieved from the cache. I'm not saying that we always have to use them, but there are cases where they can be useful.