Autoplay does not work. And also hiding the keys control ie volume, pause, and more.
<!DOCTYPE html> <html> <head> <title>stack</title> </head> <body> <div style="background-color: black;"> <iframe align="center" frameborder="no" src="https://youtube.com/embed/3Z6qRei5BQc" height="320px" width="400px" autoplay="1" controls="0" autoplay="1"></iframe> </div> </body> </html> 