Created a quick greasemonkey script that removes a couple of the background images that slow down the page a lot for me. For some reason it doesn't speed up page load time, but after the page is loaded, scrolling works great :) http://www.staticmethod.net/greasemonkey/sinsforumcleaner.user.js Requires Greasemonkey, at least version 0.5.0
Just one more thought :) I tried using the web-developer extension to just disable the background image, and with that gone the page is fast, so there might be some optimizations you could make centered around just the background images.
Wanted to add one more metric. According to Firebug's Net tracking (tracking all requests made by a page), this page uses 8Mb of content, all of which was cached, but I had to fetch it at some point in time. But that also means that the browser has to render 8Mb of things. There are 173 image loaded on this page (before posting this post), at a total of 7Mb of images, roughly 41.5Kb/image average.
I've done a little bit of testing and I'm finding that it's the images that cause FF to be slow for me. Using firebug, there's about 1Mb of data per page, mostly images Most of the images are in the 50Kb range and there are lots of them (even smilies and small graphics), and the background image at the top is 221Kb, and the repeating background is pretty big as well. Completely disabling images via the firefox webdeveloper extension makes the page scroll fast (normal).&nbs
Nevermind I found it at stardock.net
What/where is stardock central? I'm having the exact same problem.
