change favicon in html code example
Example 1: favicon HTML
<link rel="icon" href="yourIcon.png" type="image/png">
Example 2: head icon html
<link rel="icon" href="http://example.com/favicon.png">
<link rel="icon" href="yourIcon.png" type="image/png">
<link rel="icon" href="http://example.com/favicon.png">