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