Well, “Favicon Generator Script” is a script really simple and easy to use, allows you to create an entire web site based on this script, or you can use it as an additional tool to offer to your users in your site.
What is a Favicon?
A favicon (short for "favorites icon" and also known as a page icon), is an icon associated with a particular website or webpage that is displayed in the browser address bar next to a site's URL.
Easily create your own custom favicons for free with Favicon Generator...
Step 1. Locate the image that you would like to use as your Favicon and make sure that the dimensions are perfectly square (ie. 100 Pixels x 100 Pixels).
Step 2. Browse to the file's location on your computer and select the image.
Step 3. Press the Generate Favicon! button below.
Step 4. Right Click Your Favicon above. After downloading, simply rename and upload favicon.ico to your root directory.
Step 5. Copy and paste the code below to the <head> section of your webpages:
<link rel="icon" href="/favicon.ico">
Note:The code above will work for all modern browsers, including Internet Explorer 11. For compatibility with older versions of Internet Explorer, you may use the phrase shortcut icon instead of just icon:
<link rel="shortcut icon" href="/favicon.ico">
That's all there is to it, enjoy your favicon!