26. The YouTube HTML 5 Beta Supported Browsers YouTube support browsers that support both the video tag in HTML5 and either the h.264 video codec or the WebM format (with VP8 codec). These include: Firefox (WebM enabled version available here ) Google Chrome (h.264 supported now, WebM enabled version available via Early Release Channel ) Opera (WebM enabled version available here ) Microsoft Internet Explorer 9 (h.264, Platform Preview 3 ) Apple Safari (h.264, version 4+) Microsoft Internet Explorer with Google Chrome Frame installed ( Get Google Chrome Frame )
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28. YouTube <iframe> code can offer up both HTML 5 and Flash in one quick embed. That’s pretty cool. The new iframe is a quick bit of code that has the standard attributes (see below). Then, depending on the viewers settings and preferences YouTube will serve up either HTML 5 or Flash. That means that you can now embed once and YouTube will decide automatically which player they will serve. Here’s an example code: <iframe title="YouTube video player" width="480" height="390" src="http://www.youtube.com/embed/W5kn3-8V0nc" frameborder="0" allowfullscreen></iframe>