fix #129 - only open external links in a new tab

_includes/head.html

@@ -8,9 +8,6 @@
   <!-- <meta name="theme-color" content="#2980b9"> -->
   <!-- <meta name="google-site-verification" content=""> -->
 
-  <!-- Open all links in a new tab/window -->
-  <base target="_blank">
-
   <title>{% if page.title %}{{ page.title | xml_escape }}{% else %}{{ site.title | xml_escape }}{% endif %}</title>
 
   <link rel="stylesheet" href="main.css">

_layouts/default.html

@@ -32,6 +32,17 @@
       sel.addRange(range);
     };
 
+    // open external links in new tab
+    var links       = document.links;
+    var linksLength = links.length;
+    var i           = 0;
+
+    for (i = 0; i < linksLength; i++) {
+      if (links[i].hostname != window.location.hostname) {
+        links[i].target = '_blank';
+      }
+    }
+
   </script>
   {% include analytics.html %}
 </html>