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html5 video

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i can't view html5 video , because firefox begins to slow. with flash player i don't have this problem, all works perfect. but youtube and other sites use html5 player, and i need switch browser to Chrome for good viewing. How i can fix very bad working FF with html5 video? i have a laptop with 12gb ram,corei7 and geforce740m and i have big lags when i view html video. When i push play the video, all open pages and the entire program have big lags. very lucky if i can close tab with video :/ and dont need kill ff proccess. Please help! I dont want use the Chrome and other browsers...

i can't view html5 video , because firefox begins to slow. with flash player i don't have this problem, all works perfect. but youtube and other sites use html5 player, and i need switch browser to Chrome for good viewing. How i can fix very bad working FF with html5 video? i have a laptop with 12gb ram,corei7 and geforce740m and i have big lags when i view html video. When i push play the video, all open pages and the entire program have big lags. very lucky if i can close tab with video :/ and dont need kill ff proccess. Please help! I dont want use the Chrome and other browsers...

Saafara biñ tànn

There is an extension called "YouTube Flash Video Player" that will force YouTube to send videos as Flash instead of HTML5. I find that Flash works much better with YouTube than HTML5. You can get that extension from the Mozilla Addons site.

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Saafara yiñ Tànn

There is an extension called "YouTube Flash Video Player" that will force YouTube to send videos as Flash instead of HTML5. I find that Flash works much better with YouTube than HTML5. You can get that extension from the Mozilla Addons site.