Web pages are becoming more and more bloated, so that the problem is not only the bandwidth needed to load them but also the processing power needed to render them. I currently use AdBlock with Firefox to get rid of some useless content, and on my smartphone I use Opera Mini, which filters pages and gives out a lightweight representation of the original page, using a filtering proxy. Needless to say, compared to Opera Mobile (without page filtering), complex pages are rendered smoothly and scroll well.
On my netbook (1 GHz, not very fast), some pages are very difficult to scroll because they are too crowded (an example: http://www.corriere.it, an italian newspaper, or Facebook), so AdBlock is not sufficient. It should be obvious that I don't consider upgrading to more powerful hardware.
I tried WebCleaner but gives me an error (MSVCR71.DLL missing) maybe because is 32-bit only and I'm using Windows 7 64-bit. This software looks like the ultimate solution.
I prefer a proxy than a firefox extension, because I would not be locked in with a specific software. Computers should be as modular as practically possible.
Do you have suggestions?