Assuming from your title that it's the internet that's slow, help us to narrow it down a bit. Is it your most visited site that's slow? Is it all sites, even those you've not visited before? What I'm trying to get at is a pattern. If you're really only visiting a few sites, the problem might not be on your end.
It's possible that clearing your browser's cache would speed things up in the long run. But, as noted above, what browser?