Usage

Include favicon.js just before the closing </body> tag

<script type="text/javascript" src="favicon.js"></script>

Add an anchor tag using class="favicon"

<a class="favicon" href="http://facebook.com">facebook.com</a>

Result

facebook.com

twitter.com
google.com
youtube.com
linkedin.com
wordpress.org
instagram.com
pinterest.com
wikipedia.org
wordpress.com
blogspot.com
apple.com
adobe.com
tumblr.com
amazon.com
vimeo.com
microsoft.com
yahoo.com
flickr.com