PS4 has relatively no support for local files. PLEX Media Server is the perfect way to access all of your personal media content on the PS4, right in the browser via HTML5. :
Twitch is stepping up its game with a PlayStation app, HTML5 player, and video playlists - HardwareZone.com.sg
PlayStation 4 (PS4) : le HTML5 est-il bien supporté ? - GAMERGEN.COM
XboxIE And Sonyfied Bring HTML5 Games To Xbox One And PS4 - SlashGear
HTML5 Web Design - 25 Fresh Web Examples | Web Design | Graphic Design Junction
YouTube Now Streams HTML5 Video By Default | TechCrunch