anchor.diff:  <!DOCTYPE html>
   <html>
     <head>
  -     <link href='http://fonts.googleapis.com/css?family=Roboto:400,400italic,300,500,700' rel='stylesheet' type='text/css'>
  +     <link href='https://fonts.googleapis.com/css?family=Roboto:400,400italic,300,500,700' rel='stylesheet' type='text/css'>
       <title>
         <%=title%>
       </title>
  
positive.code:       "@context" : "http://schema.org",
        "@type" : "WebSite",
        "name" : "Unipept",
        "url" : "http://unipept.ugent.be",
        "version" : <%= Rails.application.config.versions[:unipept] %>,
        "image" : "http://unipept.ugent.be/logo.png"
      }
      </script>
    </body>
  
negative.code:       "@context" : "http://schema.org",
        "@type" : "Organization",
        "name" : "Unipept",
        "url" : "https://unipept.ugent.be",
        "sameAs" : [
          "http://www.twitter.com/unipept",
          "http://github.com/unipept"
          ],
        "email" : "unipept@ugent.be",
        "image" : "https://unipept.ugent.be/logo.png"
      }
      </script>
      <script type="application/ld+json">
  