try to put unique content to your web-pages. Do article submission, directory submission, social bookmarking ( digg, face book etc ), press release and as articlemaster9 said, forum posting is a good...

I have a blog and i get approximately 100 - 200 vistors per day. My site is 5 months old and have got alexa rank some thing 3960,546.
If you have 5000 visitors a day, then you should have good...