Backport PR #10440: Add canonical link to webpages

timhoffm · MeeseeksDev[bot] · commit 2f32dfa8b0f2 · 2018-02-13T23:58:13.000Z
diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
@@ -153,7 +153,9 @@ <h3>{{ _('Navigation') }}</h3>
 }}" />
     {%- endif %}
 {%- endblock %}
-{%- block extrahead %} {% endblock %}
+{%- block extrahead %}
+  <link rel="canonical" href="https://matplotlib.org/{{pagename}}.html" />
+{% endblock %}
 
 
   </head>
