{% if site.minified_externals %} <!--[if lt IE 9]> <script src="https://oss.maxcdn.com/html5shiv/{{ site.html5shiv_version }}/html5shiv.min.js"></script> <script src="https://oss.maxcdn.com/respond/{{ site.respond_version }}/respond.min.js"></script> <![endif]--> {% else %} <!--[if lt IE 9]> <script src="https://oss.maxcdn.com/html5shiv/{{ site.html5shiv_version }}/html5shiv.js"></script> <script src="https://oss.maxcdn.com/respond/{{ site.respond_version }}/respond.js"></script> <![endif]--> {% endif %}