Responsive Video Works Now. These Features Could Make It Work Better. | Scott Jehl, Web Designer/DeveloperResponsive video lacks features like responsive poster images and post-pageload responsiveness.
How to think about HTML responsive imagesA responsive image is fluid in size and adapts to various screen sizes using CSS properties.The HTML Standard focuses on adaptive images selected by attributes on <img> and <picture> elements for the browser to choose the best image.