Using the latest browser software with plenty of memory will result in much faster load times.
If you use Firefox, these tweeks may also greatly increase your browsers ability to load pages, go back to pages you jut visited and get things done faster.
DISLAIMER: As with any registry or configuration tweeks, you have to assume the risk of messing up your software. A reinstall can get it back, but that a horrible way to save time.. Be Careful and use a backup