All of us want to increase traffic to our web sites. It helps our search engine rankings, and is a very cost-effective way to provide us with potential new customers. One of the best, and certainly least expensive, ways to do that is by exchanging links with sites similar to our own, or that contain content our own visitors are likely to find interesting and useful. It is important to restrict our exchanges to such sites because if we indiscriminately exchange with everybody and anybody we become what is known as a