You create a 16x16 icon, name it favicon.ico and place it in the root folder of the website. There is a way to use what ever image format you like, including animated gifs, but it doesn't always work.
You create a 16x16 icon, name it favicon.ico and place it in the root folder of the website. There is a way to use what ever image format you like, including animated gifs, but it doesn't always work.