Comment 118 for bug 125970
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| H5N1 (h5n1-vir) wrote Re: slow scroll with image in the background | #118 |
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Hi everybody,
I'm new here.
I'm developing pages with background images and I can confirma that background images slow down the rendering of the pages while scrolling it down.
Maybe some information can be of use:
1 - no matter if the image is png or gif: the CPU usage while scrolling grows up...
2 - no matter if the background is tiled or absolute or fixed: i tried with a 800x1 px tiled gif and png image (with transparency) and increase vertical size to 1024 and next to 2048 px to avoid tiling... the problem didn't fix
3 - no matter if the background is attached to the body or a subtree DOM element (such a DIV): if it fullfill the page the problem occurs
I think this is a Gecko problem because I tried several kind of Gecko based browser without notice differences.
I'm sad to admit that Opera and IE can render my page more and more speedly...