html - sanity check - mp4 only video file now needed- Firefox uses mp4 now as well - Stack Overflow
flash - firefox - this browser does not support video playback - Ask Ubuntu
Hey Microsoft—DivX Already Supports H.264 with HTML5 in Firefox - DivX Video Software
Video converter online VideoConvertPlus – Get this Extension for Firefox (en-US)
Firefox 34 for Android fixes MP4 playback, adds Chromecast support
html - Firefox and Chrome can't play HTML5 mp4 video - Stack Overflow
How can I make mp4 videos play in Firefox? | Firefox-ondersteuningsforum | Mozilla Support
Windows Media Player Firefox Plugin Download - Essential plugin for firefox users, open Microsoft formats directly in Firefox
Firefox won't play MP4 files from the server - Ask Ubuntu
Firefox 35 includes streamlined Hello video chat, MP4 support on Mac, easier social network sharing | TechSpot
The State of HTML5: Firefox Now Supports MP4! | JW Player
Firefox Nightly for Android introduces Chromecast support - Android Authority
Enable Flash Support on Firefox for Android Mobile – Software Review RT
Mozilla veröffentlicht Firefox 86 für Android
How to enable MSE & H.264 support on YouTube for Firefox right now - gHacks Tech News
video related errors in firefox for android - "no video with supported format and mime type" and "video can't be played because file is corrupt" : r/firefox
Firefox: VLC Media Player not listed as content type - Microsoft Community
How to enable MSE & H.264 support on YouTube for Firefox right now - gHacks Tech News
How to use Video Downloader utility to download videos in Firefox
Firefox Download Dropdown Drag Files – Discord
javascript - Why are my JS-generated videos not playing in Firefox? - Stack Overflow
Download YouTube Videos with Firefox Android. - PCMobiTech
How can I make mp4 videos play in Firefox? | Firefox-ondersteuningsforum | Mozilla Support
No video with supported format and MIME type found." on videos native interface can play · Issue #1590 · nolanlawson/pinafore · GitHub
Easy Youtube Video Downloader Express – Get this Extension for 🦊 Firefox (af)
Firefox HTML5 video support
Firefox+Video HowTo - www.gemesyscanada.com
