<video autoplay="" preload="yes" loop="loop" muted="" playsinline poster="assets/images/video/banner-01.png"> <source src="assets/images/video/banner-01.mov" type="video/mp4"> <source src="assets/images/video/banner-01.mp4" type="video/mp4"> </video> It works in my browser. mov video form make it mp4(video/mp4). ex: