How To Tell Web Browsers About Atom Feeds

<link rel="alternate" type="application/atom+xml" title="News" href="/atom.xml?type=news" />
<link rel="alternate" type="application/atom+xml" title="Blog" href="/atom.xml?type=blog" />
<link rel="alternate" type="application/atom+xml" title="Comics" href="/atom.xml?type=comics" />

<link rel="alternate"
      type="application/atom+xml"
      title="RSS"
      href="/feeds/question/440391" />

<link rel="alternate" type="application/atom+xml" title="RSS" href="YOUR_FEED_URL" />

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<head>
    <link rel="alternate"
          type="application/atom+xml"
          title="RSS"
          href="/path/to/your/atom/feed" />
</head>
<!-- ... -->