https://loup-vaillant.fr/articles/source-of-readability [loup-vaillant.fr]
To efficiently grow and maintain programs, code that is read together should be written together.
https://blog.wesleyac.com/posts/why-not-javascript-cdn [blog.wesleyac.com]
[I]f you’re using a CDN for any reason other than laziness, it’s likely not a good reason.