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The HTML5 player has been the default on YouTube since January: http://www.theverge.com/2015/1/27/7926001/youtube-drops-flash-for-html5-video-default http://www

• ablation 11y ago
  Quite a few player embeds on the pages I visit still default to Flash, rather annoyingly. That's been my experience at least.
  • TazeTSchnitzel 11y ago
    You're supposed to use an <iframe> to embed these days, but some sites still use the flash-only <object>/<embed>.
    • cpeterso 11y ago
      no-flash is a Firefox extension (written by a Mozilla employee) to rewrite Flash-only object embeds to use YouTube's HTML5 player: https://github.com/hfiguiere/no-flash/ https://github.com/hfiguiere/no-flash/ Mozilla may include this functionality in Firefox directly: https://bugzilla.mozilla.org/show_bug.cgi?id=769117 https://bugzilla.mozilla.org/show_bug.cgi?id=769117
      • TazeTSchnitzel 11y ago
        Mobile Safari did this from very early on! (iPhone OS 2 or earlier) Though they didn't use YouTube's official HTML5 player.