Sent by liorean on 18 November 2004 16:04
On Thu, 18 Nov 2004 15:02:37 +0100, Alex Polite [EMAIL-REMOVED]> wrote:
> I think that the fixed positioning looks nice but it is VERY slow to render and scrolling the page
is also slow. At least in Firefox.
> Is there a workaround or is fixed positioning a CPU hog?
Moz has always had problems with the performance of fixed positioning.
You see it best when using fixed positioning in combination with
settings other than 'visible' for overflow or with transparent or
alpha channel backgrounds, or when using fixed positioning for
backgrounds, but it can be seen in most cases when using fixed
positioning even without those. The problem only occurs when you have
one fixed and one scrolling document part at one and the same place,
so a possible solution is to separate the scrollable area into a
specific fixed area which doesn't underlap or overlap any other fixed
area.
--
David "liorean" Andersson
<uri:http://liorean.web-graphics.com/>
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