<link rel="icon" href="yourIcon.png" type="image/png">
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en-US"> <head profile="http://www.w3.org/2005/10/profile"> <link rel="icon" type="image/png" href="http://example.com/myicon.png"> […] </head> […] </html>
Favicon.ico is the icon that gets shown on the left side of the tab of a web page. To have one in your domain, just save one favicon.ico in your root folder.