![]() All other browsers would move on to the second, VP9, a codec supported by Edge, Firefox, and Chrome, gratifyingly bridging the big gaps in H.265 support. ![]() However, H.265 currently works only on Safari (both desktop and mobile). The reason for the top billing is that H.265 is about 30 percent more efficient than the universally supported standard, H.264 (aka AVC). In the markup above, the first element points to an H.265-encoded, i.e., HEVC-encoded, MP4 file. That way, you’re assured of optimal cross-browser support for video compression, ready for delivery to your audience. The browser then goes through the list, starting at the top, until it finds a version it can play. With the intuitive HTML5 tag, you can list multiple sources as format choices for the browser. Optimization is clearly called for.Įnter the HTML5 Video Player and Cloudinary That’s a lot of bytes for a simple non-HD, 13-second-long video. ![]() Identifying the most suitable format for video delivery on the web and encoding it involves only adding a couple of parameters to the video URL. Just how do we get the best of both worlds without creating a bandwidth disaster like the one I just mentioned?Ĭloudinary offers a simple solution. Obviously, despite the demand and desirability of more video content, many developers have yet to catch up to the best practices. Encoding it with a more advanced codec, such as HEVC, VP9, or AV1, would yield even more compression. For instance, while on a major retail site recently, I ran into a hero banner in the form of a 48-MB video, which, if encoded correctly as an H.264 MP4, would weigh 1.9 MB only. Lack of experience and compression knowhow on the part of web developers can cause significant user-experience problems. Video Optimization and High-Efficiency Coding Matter
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