Classic icon for desktop browsers
Drop the file favicon.icointo the root directory of your website. No need to declare and it should contain 16x16, 32x32 and 48x48 images .
Modern browsers will also look for PNG icons. You can contact in most cases with:
<link rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16">
<link rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32">
IOS
iOS 6 iOS 7, iPad iPhone, Retina -Retina, 8 Apple touch:
<link rel="apple-touch-icon" sizes="57x57" href="/apple-touch-icon-57x57.png">
<link rel="apple-touch-icon" sizes="114x114" href="/apple-touch-icon-114x114.png">
<link rel="apple-touch-icon" sizes="72x72" href="/apple-touch-icon-72x72.png">
<link rel="apple-touch-icon" sizes="144x144" href="/apple-touch-icon-144x144.png">
<link rel="apple-touch-icon" sizes="60x60" href="/apple-touch-icon-60x60.png">
<link rel="apple-touch-icon" sizes="120x120" href="/apple-touch-icon-120x120.png">
<link rel="apple-touch-icon" sizes="76x76" href="/apple-touch-icon-76x76.png">
<link rel="apple-touch-icon" sizes="152x152" href="/apple-touch-icon-152x152.png">
Android
Android Chrome Apple touch. 196x196 PNG, ... -. :
<link rel="icon" type="image/png" href="/favicon-196x196.png" sizes="196x196">
Windows 8.0
<meta name="msapplication-TileColor" content="#da532c">
<meta name="msapplication-TileImage" content="/mstile-144x144.png">
Windows 8.1
<meta name="msapplication-TileColor" content="#ffffff">
<meta name="msapplication-square70x70logo" content="/images/favicons/msapplication-tiny.png">
<meta name="msapplication-square150x150logo" content="/images/favicons/msapplication-square.png">
<meta name="msapplication-wide310x150logo" content="/images/favicons/msapplication-wide.png">
<meta name="msapplication-square310x310logo" content="/images/favicons/msapplication-large.png">
browserconfig.xml, - ( head) :
<browserconfig>
<msapplication>
<tile>
<square70x70logo src="/mstile-70x70.png"/>
<square150x150logo src="/mstile-150x150.png"/>
<square310x310logo src="/mstile-310x310.png"/>
<wide310x150logo src="/mstile-310x150.png"/>
<TileColor>#da532c</TileColor>
</tile>
</msapplication>
</browserconfig>
Google TV, Opera Speed ? PNG:
<link rel="icon" type="image/png" href="/favicon-160x160.png" sizes="160x160">
<link rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96">
(...)
HTML-
HTML- . : .