animation

Case 1 Youtube iFrame video

1.1 - With autoplay=1&mute=1 - Starting from the beginning and muted

1.2 - With enablejsapi=1 and autoplay=1&mute=1 - resume playing from the paused moment

1.3 - no parameters = not autoplay video

Case 2: Animated logo and PNG video with autoplay

2.1 gif