This is the LIVE DEMO of responsiveness of an embedded YouTube video. This video adjusts itself to the screen size on which it is being viewed.
If you are viewing this using a desktop browser, try to resize the browser window to see how the embedded video adjusts on different screen sizes.
If you are on a mobile device, you can rotate your screen and see the video resizing itself to the available screen size.
You can see the process here for creating such responsive embedded videos here.
EXAMPLE 1: Embedded YouTube video using iFrame
EXAMPLE 2: Embedded HTML5 video
If you are viewing this using a desktop browser, try to resize the browser window to see how the embedded video adjusts on different screen sizes.
If you are on a mobile device, you can rotate your screen and see the video resizing itself to the available screen size.
You can see the process here for creating such responsive embedded videos here.
EXAMPLE 1: Embedded YouTube video using iFrame
EXAMPLE 2: Embedded HTML5 video