Alt on favicons

searx/templates/default/result_templates/default.html

@@ -1,5 +1,5 @@
 <div class="result {{ result.class }}">
-    <h3 class="result_title"> {% if result['favicon'] %}<img width="14" height="14" class="favicon" src="static/{{theme}}/img/icon_{{result['favicon']}}.ico" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
+    <h3 class="result_title"> {% if result['favicon'] %}<img width="14" height="14" class="favicon" src="static/{{theme}}/img/icon_{{result['favicon']}}.ico" alt="{{result['favicon']}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
     <p class="url">{{ result.pretty_url }} <a class="cache_link" href="https://web.archive.org/web/{{ result.url }}">cached</a></p>
     {% if result.publishedDate %}<p class="published_date">{{ result.publishedDate }}</p>{% endif %}
     <p class="content">{% if result.img_src %}<img src="{{ result.img_src }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>