Add a Favicon to your Website
Add a Favicon to your Website — About.com
Learn what a favicon is and the basic steps of how to do it.
A great, easy-to-use online favicon generator. Create it, download it, then upload it to your site.
Once it’s uploaded, display it by placing this link in the head of your HTML document:
<link rel="shortcut icon" href="favicon.ico" type="image/x-icon" />