There are a lot of ways to perform url redirects, one of them is the HTML redirect it is maybe not the best one, but it certainly is one of the easiest.
How to do a HTML redirect
Here is a simple example of a HTML redirect:
<META HTTP-EQUIV="refresh" CONTENT="2;URL=http://www.example.com/example.html">
This code should be between
According to Wikipedia:
This method is considered by the W3C to be a poor method of redirection, since it does not communicate any information about either the original or new resource, to the browser (or search engine)