youtube url autoplay code example
Example 1: iframe autoplay
<!--
first add ?autoplay=1 to your video url
then add allow='autoplay' attribute to your iframe element
-->
<iframe src="https://www.youtube.com/embed/dQw4w9WgXcQ?autoplay=1" allow='autoplay'></iframe>
Example 2: autoplay youtube video
// Add this to your URL
?autoplay=1&mute=1
// example
https://www.youtube.com/embed/9QTojZVR_Ec?autoplay=1&mute=1