[Webkit-unassigned] [Bug 27803] New: Safari 4.0.x Top Sites extremely slow on initial load.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=27803

           Summary: Safari 4.0.x Top Sites extremely slow on initial load.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bugs at m8y.org


This bug will get moved out of Webkit by aroben.  Filing here since Apple's bug
reporting system appears to not degrade gracefully like bugzilla does, and is
non-functional in w3m.

On initial load of Safari 4 (4.0-4.0.2) on my Dell Latitude D820,  the Top
Sites takes a long time (5-15 seconds) to load.  This is with nothing else
running and well over 1½GiB of memory free.
In that time, most of Safari 4 is unresponsive.  For example, I'll be launching
Safari to test a development URL, and will attempt to paste it into the URL
bar.  The paste appears to fail so I'll try a few times.  Eventually, the
browser responds once more and I see that I have the same URL pasted five
times.

On subsequent loads, Top Sites is quick.

Result.  Frustration.  Poor user experience.
I've just learned I can disable it, which is something.

In the top sites list the list of sites is primarily some defaults created by
Safari:
apple
yahoo
wikipedia
cnn
ebay
youtube

And some sites that were probably ones from my testing:
peacekeeper
google maps
internal test site
internal testcase
http://labs.pimsworld.org/wp-content/uploads/2009/04/demo-content-aware-image-resizing-2/
http://www.bitstampede.com/demos/css-transforms/
http://m8y.org/tmp/www.bitstampede.com/demos/css-transforms/

Additionally. If I open a new tab, click on (in this case labs.pimsworld.org)
and then click close, the browser appears to once more become unresponsive. 
Interestingly if I resize the window it is ok, which suggests that, unlike the
other issue, this one might be a failure to redraw.  When it is doing this,
both the pimsworld tab and top sites appear to be present with pimsworld
active, although the tabs and content do not respond.  If I
unmaximize/maximize, the tabs have once more disappeared and Top Sites is
rendered.

My specifications are as follows:
Dell Latitude D820 with 2GiB of memory, dual core at 2.16ghz.
Safari 4.0.2
Windows XP Service pack 2
TrueCrypt drive encryption
Symantec Antivirus

I mention the last two since they could delay, say, file access.

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