[html5] html5 offline web apps

Ian Hickson ian at hixie.ch
Mon Sep 14 23:52:06 PDT 2009

On Thu, 10 Sep 2009, frank goossens wrote:
> Morning list;
> i'm experimenting with offline web apps and I'm having trouble
> understanding the spec.
> My concern boils down to these questions:
> * is an (html-)page which contains a reference to a (correct)
> manifest-file automatically added to the offline cache, even though it
> is not mentioned in the manifest?


> * if a resource which is added under "NETWORK:" always fetched from
> the network, even if it is in the offline cache?

No, not necessarily. Normal HTTP caching semantics are followed.

> if the answers are "yes" and "no" (as they seem to be when testing in 
> FF3.5.3 and safari 4), does that mean that there is no way to "speed up" 
> an online app by offlining the static part of it (as wordpress does with 
> their gears-implementation)?

It does not mean that, no. What would you need to do to speed up an online 
app as you describe?

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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