blogit/example/templates/includes/head.html

    <link rel="canonical" href="{{ site_url }}" />
    <meta name="referrer" content="origin" />
    <link rel="next" href="{{ site_url }}page2/" />

    <meta property="og:site_name" content="{{ site_name }}" />
    <meta property="og:type" content="website" />
    <meta property="og:title" content="{{ site_name }}" />
    <meta property="og:description" content="{{ site_description }}" />
    <meta property="og:url" content="{{ site_url }}" />
    <meta property="og:image" content="/media/images/cover1.jpg" />

    <meta name="twitter:card" content="summary_large_image" />
    <meta name="twitter:title" content="{{ site_name }}" />
    <meta name="twitter:description" content="{{ site_description }}" />
    <meta name="twitter:url" content="{{ site_url }}" />
    <meta name="twitter:image:src" content="/media/images/cover1.jpg" />

    <meta name="generator" content="Blogit" />
    <link rel="alternate" type="application/rss+xml" title="{{ site_url }}" href="{{ site_url }}rss.xml" />