PageSpeed Insights

PageSpeed Insights

Eliminate render-blocking JavaScript and CSS in above-the-fold content.
Your page has 1 blocking script resources and 1 blocking CSS resources.

Here is the basic async script loading pattern that will get you as deep of browser support as you'd ever need:

<script> var resource = document.createElement('script'); resource.src = 'third-party.com/resource.js'; var script = document.getElementsByTagName('script')[0]; script.parentNode.insertBefore(resource, script);</script>

Remove Render-Blocking JavaScripts

https://developers.google.com/speed/docs/insights/BlockingJS