Add Add-ons to Mozilla Firefox on Windows 7 - VisiHow
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Firefox & HTML5
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Web制作】HTML5のvideoタグにはMP4形式動画だけ指定すればよい（IE8対応）＠2014年末
Mozilla、「Firefox」の最新安定版「Firefox 35」を正式公開 - 窓の杜
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HTML5: MediaPlayer Video is running but no image is shown @ CodeDocu Net Framework
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Play 1080p YouTube Video using HTML5 on Mozilla Firefox Linux | anhe51's blog
Safari和Firefox中的HTML5視頻（mp4和ogv）問題-但是Chrome很好
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Beg the boss on your knees to help solve the problem that Firefox is not compatible with video video playback. - Codes Helper - Programming Question Answer
Moodle in English: Firefox issue with VideoJs MP4 videos
HTML5動画をダウンロードする3つの簡単な方法
html - Issue Playing HTML5 Video in Firefox on Linux - Stack Overflow
HTML5動画をダウンロードする3つの簡単な方法
Firefox won't play MP4 files from the server - Ask Ubuntu
html - video tag not working in desktop firefox, but work on mobile firefox - Stack Overflow
