pelican-elegant/templates/_includes/favicon_links.html

{%if USE_FAVICON %}
        <link rel="shortcut icon" href="{{ SITEURL }}/theme/images/favicon.ico" type="image/x-icon" />
        <link rel="apple-touch-icon" href="{{ SITEURL }}/theme/images/apple-touch-icon.png" />
        <link rel="apple-touch-icon" sizes="57x57" href="{{ SITEURL }}/theme/images/apple-touch-icon-57x57.png" />
        <link rel="apple-touch-icon" sizes="72x72" href="{{ SITEURL }}/theme/images/apple-touch-icon-72x72.png" />
        <link rel="apple-touch-icon" sizes="114x114" href="{{ SITEURL }}/theme/images/apple-touch-icon-114x114.png" />
        <link rel="apple-touch-icon" sizes="144x144" href="{{ SITEURL }}/theme/images/apple-touch-icon-144x144.png" />
        <link rel="icon" href="{{ SITEURL }}/theme/images/apple-touch-icon-144x144.png" />
{% endif %}