After choosing my settings in the enhancer for YouTube it worked perfectly instantly. Will continue to use and recommend.

Es cómodo y factible. Gracias.

大変いいです

use it often. Thanks!

I am surprised at what this add-on can do. No other browser has thought about this facility

Лучшее - Best

Me encanta MOZILLA FIREFOX ES RL MEJOR DEL MUNDO, 5 ESTRELLAS.

page blinking...please make youtube quality hd addon only. i use this addon for videp quality default only

Excelente extensión. Se ha convertido en una de esas extensiones que debes tener>
¡Buen trabajo!

Awesome

gostei muito pena que so no fire