Favicon is the name of website icon. This is function to give website characteristic.

At the latest browser, favicon usually shown at the left of website title or at the browser bookmark.

Favicon is a static or animation images with 16 x 16 pixel size. For animation favicon use, you can use .gif images and for static or transparent favicon, you can use .png images.

To set favicon at your web, it's really easy :

1. Copy a favicon file to the web root folder, and check your copy file with sample of url http://yourweb.com/favicon.png
   
2. Install syntax link rel="icon" href="/favicon.png" type="image/gif" between of head syntax

When 2 point above finish installed, please chek your site and the favicon will be showing.

Thank You