Visit your competitors site
One of the best places to start is with your competition. Do a search and go to each of your top competitors web sites.
Pretend that you are the customer
When visitors come to your site they will most likely have no idea what you have to offer or how your site works.
Have someone review your site
This is a great way to quickly improve your site. When other people review your site they will be able to give you feedback and suggestions for making your site more effective.
Setup a domain name
Make sure that you get your domain name setup. Ex. www.yourcompany.com Getting your domain name is the first step to creating a professional presence for your business.