How to prevent YouTube js calls from slowing down page load : <p>I am using <a href="https://gtmetrix.com" rel="noreferrer">https://gtmetrix.com</a> to diagnose issues with my page speed. </p>

<p>The <a href="http://www.problemio.com/udemy/white-labeling-or-buying-udemy-courses.html" rel="noreferrer">page in question</a> has one embedded YouTube video and GTMetrix is saying that this video's JS calls are slowing down page load speed.</p>

<p>This is the call being made:</p>

<pre><code>&lt;iframe width="640" height="360" src="https://www.youtube.com/embed/PgcokT0AWHo" frameborder="0" allowfullscreen&gt;&lt;/iframe&gt;
</code></pre>
