favicon.ico library code example
Example 1: html favicon.ico
<! -- For .ico files -->
<link rel="shortcut icon" href="favicon.ico" type="image/x-icon">
<! -- For .jpg/.gif/.png files -->
<link rel="icon" type="image/gif/png" href="favicon.png">
Example 2: what is favicon.ico
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.