On 2012-11-02 11:16, n...@yandex-team.ru wrote:
On Tue, 30 Oct 2012, Michael Nordman <micha...@google.com> wrote

The appcache is encumbered with guarantees about atomically updating a set
of resources and then explicitly not hitting the network for them once up
to date to ensure the site/app will function if the network really is
complete gone.

This gist of this prefetch list seems different. More of a hint to warm
things up if possible and viola things are more responsive if those hints
are taken.


Yes. Exactly.
It's not about offline apps, it's about reducing loading time.

There's already the "prefetch" link relation that you could use.

Prefetch manifest is a way to tell browser what should be downloaded in advance.
So when user opens the site (for the first time) all resources 
(css/js/images/...) are already cached.

And if later site's resources are updated browser could check prefest manifest 
and
re-download all new resources in background. Before user visited site again.

But then you don't need a manifest for that (see above).

Best regards, Julian


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