Favicon
Always wanted one of those cool pictures next to the address of your website? It's called a favicon, like favorite and icon, because it appears when you add a website to your favorites.
Like this:

First find a picture you like or make a picture and save it.
Then go here to change it to a .ico file format.
Download the file, then save it, and finally upload it to your website.
Last but not least, add the following code to your homepage between the head tags:

