Did you know that adding a JavaScript code to your website needs with asynchronous mode can alleviate the performance of your blog when loading. Asynchronous JavaScript or commonly called the async javascript is more SEO friendly as it can speed up loading of your blog. This is because in the programming techniques JavaScript Plugin Code/API will not overload browser and reduce blocking of page rendering when loading with asynchronous mode into your website.
If you adding button social media to share your page, then in fact it will weigh on the performance of the browser, so it will reduce the loading speed of your website into the browser. So if you do a test with SEO Tools, it will reducing scores of your website significantly. Try to test your website using gtmetrix.com and see the results.
Three JavaScript Plugin Code/API Most Frequently Used
There are three JavaScript Plugin/API codes of social media is most often used in websites, namely Facebook, Twitter and Google Plus. I'll give it 3 ways adding JavaScript Plugin/API code into your website Asynchronously.
<div id="fb-root"></div>
<script>(function(d, s, id) {
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) return;
js = d.createElement(s); js.id = id;js.async=true;
js.src = "//connect.facebook.net/en_US/all.js#xfbml=1";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>
<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>
Google Plus
To load the Google Plus Javascript Plugin Code with Asynchronous mode, you replace old Google Plus Javascript Plugin Code, with copy and paste code below, right before </body> tag.
<script type='text/javascript'>
(function() {
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
})();
</script>
Do not underestimate the slightest to optimize the performance of your website, as this will greatly affect your website SEO.
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