html favicon

HTML
<link rel="shortcut icon" type="image/png" href="http://example.com/favicon.png"/><link rel="icon" href="image.jpg" type="image/jpg"><link rel="icon" href="yourIcon.png" type="image/png"><link rel="shortcut icon" href="http://example.com/favicon.ico" />
<link rel="icon" type="image/png" href="/favicon.png"/>
<link rel="icon" type="image/png" href="https://example.com/favicon.png"/><link rel="icon" type="image/png" href="logo.png" />
Source

Also in HTML: