YouTube Lazy Load

Lazy loading is making sure the entire page doesn't load at the same time, and it only loads what is shown to the person on the page. As of the time of writing, lazy loading iframes (which is what YouTube uses) only works 100% on the latest version of: Edge, Chrome, Opera, Android Browser, Chrome for Android, and Samsung Internet. It means only around 73% of all the people to your website will have lazy load for iframes.

The page size for this page is: 2.55 MB .