Increase the disc and ram cache, its in the preferences some where.
if you are using native chipset, limit screens to 64 colors. install fblit and ftext. with javascript you will get a lot of "lengthy javascript running" errors with modern sites. you can limit how long these scripts go for before they get cancelled, its in the prefs somewhere. turn off image downloading if you don't need to see images. buy an accelerator, more ram or a graphics card
