The default icon is of course the icon of your own server. If you need to change your favorite icon.
There are several methods. The most popular one is to modify the server configuration file.
The following method is suitable for beginners to modify.
The codes are as follows:
<link rel="icon" href="/img/school.ico" type="image/x-icon"/> <link rel="shortcut icon" href="/img/school.ico" type="image/x-icon"/>
How to use it: just add these two lines of code to the head part of the page. The href is followed by the path of your icon, which must be in ico format.