
<pre><code class="language-html good">&lt;!-- Recommended --&gt;
&lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"&gt;&lt;/script&gt;
</code></pre>

<pre><code class="language-css bad">/* Not recommended: omits the protocol */
@import '//fonts.googleapis.com/css?family=Open+Sans';

/* Not recommended: uses HTTP */
@import 'http://fonts.googleapis.com/css?family=Open+Sans';
</code></pre>

<pre><code class="language-css good">/* Recommended */
@import 'https://fonts.googleapis