A favicon is a small 16x16 pixel icon that shows up in the browser address bar and in bookmarks to a site. You can see an example of this here at JoomlaBlogger.net. Here, I'll show you how to create and implement a favicon on your Joomla site. Using a favicon file will make it easier for your users to recognize your site in their bookmarks list, their multiple browser tabs etc. It's a service to your site visitors, and a nice visual addition to the overall impression of a site.