[whatwg] About bypassing caches for URLs listed in Fallback and/or Network section in a HTML5 Offline Web Application

Michael Nordman michaeln at google.com
Tue Jul 13 11:49:43 PDT 2010

Like Opera, Chrome respects the http cache when first attempting to "fetch
normally" a resource that falls in a fallback namespace. I'm reasonably
certain WebKit does the same.

"Normal" means just that... first do what the browser would do if there was
no Application Cache... only if that fails to produce a good response, do
something extra.

On Tue, Jul 13, 2010 at 7:19 AM, Shwetank Dixit <shwetankd at opera.com> wrote:

> At least in Opera, it will still respect the browser's normal cache header.
> So the network section header will just bypass the application cache, and
> will load normally like any other web page, which means respecting (i.e, not
> bypassing) the normal cache.
> On Tue, 13 Jul 2010 19:28:55 +0530, Lianghui Chen <liachen at rim.com> wrote:
>> Anyone has any comments?
>> From: whatwg-bounces at lists.whatwg.org [mailto:
>> whatwg-bounces at lists.whatwg.org] On Behalf Of Lianghui Chen
>> Sent: Monday, July 12, 2010 4:12 PM
>> To: whatwg at lists.whatwg.org
>> Subject: [whatwg] About bypassing caches for URLs listed in Fallback
>> and/or Network section in a HTML5 Offline Web Application
>> Hi,
>> In spec HTML5 for offline web application (
>> http://www.whatwg.org/specs/web-apps/current-work/#offline) chapter
>> 6.6.6, item 3, 4, 5 state that for resources that is in online whitelist (or
>> has wildcard whitelist), or fallback list, it should be fetched "normally".
>> I would like to know does it mean the user agent (browser) should bypass
>> its own caches (besides html5 appcache), like the WebKit cache and browser
>> http stack cache?
>> Best Regards
>> Lyon Chen
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> --
> Shwetank Dixit
> Web Evangelist,
> Site Compatibility / Developer Relations / Consumer Products Group
> Member - W3C Mobile Web for Social Development (MW4D) Group
> Member - Web Standards Project (WaSP) - International Liaison Group
> Opera Software - www.opera.com
> Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
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