html define favicon code example
Example 1: add favicon html
<link rel="icon" type="image/png" href="/favicon.png"/>
Example 2: favicon in html document
<link rel="shortcut icon" type="image/png" href="http://example.com/favicon.png"/>
<link rel="icon" type="image/png" href="/favicon.png"/>
<link rel="shortcut icon" type="image/png" href="http://example.com/favicon.png"/>