WordPress Tips: How to Load Twitter Follow Button Script Asynchronously

I’m sure you must be using default Twitter Follow Button Script in your WordPress site/blog. Have you noticed some performance issue with that?

Well, The default Twitter Follow code, the script loads the like button synchronously. When you add the synchronous Twitter Follow button to your website, Page Speed Online will tell you to prefer asynchronous resources.

Here is the Original Code:

<script>!function(d,s,id) {
	var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';
	if(!d.getElementById(id)) {
		js=d.createElement(s);
		js.id=id;
		js.src=p+'://platform.twitter.com/widgets.js';
		fjs.parentNode.insertBefore(js,fjs);
	}
}(document, 'script', 'twitter-wjs');</script>

Updated Code: (just add js.async=true;)

<script>!function(d,s,id) {
	var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';
	if(!d.getElementById(id)) {
		js=d.createElement(s);
		js.id=id;
		js.async=true;
		js.src=p+'://platform.twitter.com/widgets.js';
		fjs.parentNode.insertBefore(js,fjs);
	}
}(document, 'script', 'twitter-wjs');</script>

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