YouTube Autoplay and Full Height Background Videos

YouTube Autoplay and Full Height Background Videos

With the recent updates in Firefox and Chrome, autoplaying YouTube/Vimeo videos have been disabled. If you check your console (I use Firefox), you will see a warning: Feature Policy: Skipping unsupported feature name “autoplay”. Even following Google’s guidelines with adding a ?autoplay=1 to your video URL does not work. Which completely throws out YouTube videos as background videos for your website…

Unless you use the YouTube API system with a bit of javascript thrown in. Thanks to YouTube, they provided a working solution to autoplaying a youtube video. We will tweak it slightly to autoplay and loop!

Remember to change the videoId to your video ID.

With some added CSS and a non-interactive layer, we have a full with/height background player:

<!-- 0. This is the overlay div that stops users interacting with the video -->
<div style="position: fixed; z-index: -98; width: 100%; height: 100%"></div>

<!-- 1. The <iframe> (and video player) will replace this <div> tag. -->
<div id="yt-wrap">
	<div id="ytplayer"></div>

// 2. This code loads the IFrame Player API code asynchronously.
var tag = document.createElement('script');
tag.src = "";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

// 3. This function creates an <iframe> (and YouTube player)
// after the API code downloads.
var player;
function onYouTubeIframeAPIReady() {
	player = new YT.Player('ytplayer', {
		width: '100%',
		height: '100%',
		videoId: 'dQw4w9WgXcQ', // <--- Change this to your video ID
		playerVars: {
			'autoplay': 1,
			'showinfo': 0,
			'autohide': 1,
			'loop': 1,
			'controls': 0,
			'modestbranding': 1,
			'vq': 'hd1080'
		events: {
			'onReady': onPlayerReady,
			'onStateChange': onPlayerStateChange

// 4. The API will call this function when the video player is ready.
function onPlayerReady(event) {;
	player.setVolume(0); // comment out if you don't want the auto played video muted

// 5. The API calls this function when the player's state changes.
// The function indicates that when playing a video (state=1),
// the player should play for six seconds and then stop.
function onPlayerStateChange(event) {
	if ( == YT.PlayerState.ENDED) {
function stopVideo() {


The only other suggest I would add is to load the video after the page has loaded to help give the appearance of a faster loading website. Depends on your use case.

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Robert Steele

Hey thankyou for that, very much appreciated

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