dopo aver letto la seguente
mi domando se altervista abbia aderitoCitazione:
Beginning with Internet Explorer 9, any audio or video content needs the correct mime type set on the server, or the files won't play. Internet Explorer 9 supports MP3 audio, and MP4 audio and video. WebM audio and video files can be supported by installing the WebM components from The WebM project.
non ho trovato alcuna notizia :oops: