[whatwg] Caching of identical files from different URLs using checksums

[Scott González]

On Fri, Feb 17, 2012 at 1:39 PM, Ashley Sheridan
<ash at ashleysheridan.co.uk>wrote:

> But wouldn't this all break one of the key reasons why shared libraries
> are useful? If I'm using a shared Javascript library hosted on Google
> Code, for example, and there's an urgent security update, I'd want it to
> be applied and not left out. Also, plenty of the hosted libraries are at
> URLs that will grab the latest stable release of something. I don't want
> my site to break overnight just because the latest stable release for a
> library came out whilst I was asleep.
>

So don't opt-in? Also, these cases imply that you're utilizing CDNs that
don't provide a good caching benefit.