How do you Defer Parsing of JavaScript for YouTube video on a WordPress site?

Question

I just today realized that of my 1.2 MB site (per GTMetrix), 550k of it is a YouTube video.

My web site is a WordPress site, and the current video loads in an iframe.

Answer 1

You can achieve this with two simple steps......

1. Update your embed code like flowing....

2. Here is the java script part....

function init() { 
var vidDefer = document.getElementsByTagName('iframe');
for (var i=0; i

Reference For more details:

https://scottdeluzio.com/defer-parsing-javascript-youtube-videos/

https://varvy.com/pagespeed/defer-videos.html

P.S. I am personally using this and it works.

Thanks Sabbir H