favicon

gistfile1.txt

favicon.ico, который кладем в корень сайта

В html
<link rel="apple-touch-icon" sizes="192x192" href="favicons/favicon-192x192.png">
<link rel="icon" type="image/png" sizes="192x192" href="favicons/favicon-192x192.png">
<meta name="msapplication-config" content="browserconfig.xml">

В browserconfig.xml
<?xml version="1.0" encoding="utf-8"?>
<browserconfig>
  <msapplication>
    <tile>
      <square70x70logo   src="favicons/mstile-70x70.png"/>
      <square150x150logo src="favicons/mstile-150x150.png"/>
      <square310x310logo src="favicons/mstile-310x310.png"/>
      <wide310x150logo   src="favicons/mstile-310x150.png"/>
      <TileColor>#bada55</TileColor>
    </tile>
  </msapplication>
</browserconfig>