Almost a year after Google announced its open-source, royalty-free WebM video format, YouTube began transcoding newly uploaded videos into the format. YouTube says the majority of its most viewed ...
The native video support in HTML5, which includes MP4, WebM and Ogg. See H.264, WebM, Ogg Theora, Ogg Vorbis and HTML5. HTML5 VIDEO FORMATS Video Audio Format Codec Codec MP4 H.264 AAC WebM ...