[Bug 422535] [NEW] QtWebKit/PyQt is very slow

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Loading pages using the QWebView widget in a python script with PyQt is
very slow. For example loading of  http://heise.de/, the biggest german
site for tech news takes between 2 and 3 minutes on my netbook running
Ubuntu 9.10 with the latest Qt and PyQt versions and using the script
that I've attached. The same script achieves results of 2 to 5 seconds
in virtual machines with Windows XP and Windows 7 RC running on my
desktop computer in Virtualbox. Loading the same page on my netbook with
Firefox takes only about 2 to 3 seconds (Cache was cleared before).

QtWebKit is not only slow while loading pages, but also mouse over
effects can be very slow. For example on http://cms-db.de/ there's a big
background image and it takes about a second for the mouse over effect
to appear on my netbook. Again, this is running as fast as in Firefox
when opening the page on Windows.

** Affects: qt4-x11 (Ubuntu)
     Importance: Undecided
         Status: New

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QtWebKit/PyQt is very slow
https://bugs.launchpad.net/bugs/422535
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