_layouts/post.html in askclass-news-theme-0.2.12 vs _layouts/post.html in askclass-news-theme-0.3.0

@@ -35,10 +35,11 @@
         {% if page.source and page.source_url %}
         <div class="middle-align source">
           <span class="material-icons">source</span>
           <div>
             Source:
-            <a target="_blank" href="{{ page.source_url }}">{{ page.source }}</a>
+            <a target="_blank" rel="noopener noreferrer"
+              href="{{ page.source_url }}">{{ page.source }}</a>
           </div>
         </div>
         {% endif %}
       </div>
     </section>