[webkit-dev] Back/forward cache for pages with unload handlers
beidson at apple.com
Wed Sep 16 13:52:07 PDT 2009
On Sep 16, 2009, at 1:40 PM, Peter Kasting wrote:
> On Wed, Sep 16, 2009 at 1:33 PM, Brady Eidson <beidson at apple.com>
> Oliver is correct.
> The Page Cache will never be able to make *leaving a page* any
> faster. But it can make *returning* to a page instantaneous.
> This is a Good Thing™
> I think we're all agreeing with each other. At least, this is what
> I was trying to agree with when I said "Yes, that's completely
At some point when I wasn't paying close attention, this thread
started to talk about two different things that both happened to be
related to unload handlers.
1 - We all agree that the Page Cache is good
2 - We all agree that when a page has XHR in its unload handler and
spins a busy loop, that makes leaving the page slower.
3 - We all agree that moving that XHR from unload to pagehide would
not make leaving the page any faster.
I think https://bugs.webkit.org/show_bug.cgi?id=29193 is completely
orthogonal to the issue of improving what types of pages can go into
the Page Cache.
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