The author is not correct though, as with any webapp these are not static content that you can host on a cdn. These are dynamic content that needs to be loaded.

The author is not correct though, as with any webapp these are not static content that you can host on a cdn. These are dynamic content that needs to be loaded. Adding a mutliregion architecture is complicated. As a side note, I also know which apps are hosted on us-east-1. I just need to look at the us-east-1 aws incident from last month and which apps were affected.