{# Search-engine-specific markup (dns-prefetch + bootstrap script). #}
{% if theme_search_engine|lower == 'expertrec' %}
    <link rel="dns-prefetch" href="https://cse.expertrec.com">
    <script>
        var id = "e2077224-9ccf-11e9-a0c9-0242ac130002";
        var ci_search = document.createElement("script");
        ci_search.type = "text/javascript";
        ci_search.async = true;
        ci_search.src = "https://cse.expertrec.com/api/js/ci_common.js?id=" + id;
        var s = document.getElementsByTagName("script")[0];
        s.parentNode.insertBefore(ci_search, s);
    </script>
{% endif %}