[unlinked_dll]

Eliminating weaknesses to provide services that are faster and more robust is exactly why CDNs exist. Whether or not you find them necessary is up to you. Personally a world with content closer to my machine with more robust servers that can handle high traffic is better than the alternative.

[mneubrand]

You can get the best of both worlds by self-hosting and putting a CDN in front of that. This way you get robustness and your app will still function in isolation