Add canonical links for Google

_includes/general/nav.html

@@ -6,19 +6,22 @@
       {% for item in site.data.navigation.nav %}
       {% if item.url %}
       <li>
-        <h3><a href="{{ item.url | relative_url }}" class="{% if subentry.url == page.url or subentry.selectOnLayout == page.layout %}selected{% endif %}">{{ item.title }}</a></h3>
+      {% if page.lang == site.default_lang %}{% capture lang_rel %}canonical{% endcapture %}{% else %}{% capture lang_rel %}alternate{% endcapture %}{% endif %}
+        <h3><a href="{{ item.url | relative_url }}" rel="{{ lang_rel }}" class="{% if subentry.url == page.url or subentry.selectOnLayout == page.layout %}selected{% endif %}">{{ item.title }}</a></h3>
       {% else %}
       <li>
         <h3>{{ item.title }}</h3>
       {% endif %}
       {% if item.subfolderitems[0] %}
         <ul>
           {% for entry in item.subfolderitems %}
-          <li><a href="{{ entry.url }}" class="{% if entry.url == page.url or entry.selectOnLayout == page.layout %}selected{% endif %}">{{ entry.page }}</a>
+            {% if page.lang == site.default_lang %}{% capture lang_rel %}canonical{% endcapture %}{% else %}{% capture lang_rel %}alternate{% endcapture %}{% endif %}
+            <li><a href="{{ entry.url }}" lang="{{ lang_rel }}" class="{% if entry.url == page.url or entry.selectOnLayout == page.layout %}selected{% endif %}">{{ entry.page }}</a>
             {% if entry.subsubfolderitems[0] %}
             <ul>
-              {% for subentry in entry.subsubfolderitems %}
-              <li><a href="{{ subentry.url }}" class="{% if subentry.url == page.url or subentry.selectOnLayout == page.layout %}selected{% endif %}">{{ subentry.page }}</a></li>
+          {% for subentry in entry.subsubfolderitems %}
+              {% if page.lang == site.default_lang %}{% capture lang_rel %}canonical{% endcapture %}{% else %}{% capture lang_rel %}alternate{% endcapture %}{% endif %}
+              <li><a href="{{ subentry.url }}"  lang="{{ lang_rel }}" class="{% if subentry.url == page.url or subentry.selectOnLayout == page.layout %}selected{% endif %}">{{ subentry.page }}</a></li>
               {% endfor %}
             </ul>
             {% endif %}
@@ -30,6 +33,6 @@ <h3>{{ item.title }}</h3>
       {% endfor %}
       {% endif %}
     </ul>
-	<div id="cc">{{ site.data.copyright.nav.docs }}</div>
+        <div id="cc">{{ site.data.copyright.nav.docs }}</div>
   </nav>
 </aside>

_includes/headtags.html

@@ -2,10 +2,11 @@
 {% for lng in site.languages %}
     {% if lng == site.default_lang %}
       {% capture langlink %}{{ site.a_rootpage }}{{ page.url }}{% endcapture %}
+          <link rel="canonical" hreflang="{{ lng }}" href="{{ langlink }}">
     {% else %}
       {% capture langlink %}{{ site.a_rootpage }}/{{ lng }}{{ page.url }}{% endcapture %}
+          <link rel="alternate" hreflang="{{ lng }}" href="{{ langlink }}">
     {% endif %}
-    <link rel="alternate" hreflang="{{ lng }}" href="{{ langlink }}">
 {% endfor %}
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <link rel="stylesheet" href="/assets/css/fox.min.css">

_includes/langselect.html

@@ -7,10 +7,12 @@
       {% else %}
         {% if lng == site.default_lang %}
           {% capture langlink %} {{ page.url }}{% endcapture %}
+          {% capture lang_rel %}canonical{% endcapture %}
         {% else %}
           {% capture langlink %}/{{ lng }}{{ page.url }}{% endcapture %}
+          {% capture lang_rel %}alternate{% endcapture %}
         {% endif %}
-        <li><a href="{{ langlink }}" data-slang="{{ lng }}">{{ lng }}</a></li>
+          <li><a href="{{ langlink }}" rel="{{ lang_rel }}" data-slang="{{ lng }}">{{ lng }}</a></li>
       {% endif %}
     {% endfor %}
   </ul>

sitemap.xml

@@ -31,7 +31,7 @@ category: hidden
   {% for post in site.posts %}
     {% unless post.published == false %}
       <url>
-        <loc>{{ site.url }}{{ post.url }}</loc>
+        <loc>{{ site.a_rootpage }}{{ post.url }}</loc>
         <lastmod>{{ post.date | date_to_xmlschema }}</lastmod>
         <changefreq>monthly</changefreq>
         <priority>0.5</priority>