Ускоряйте, замедляйте, перематывайте вперед и назад, зацикливайте любое видео HTML5 на любом сайте с помощью быстрых клавиш!
The script always works. I use it myself every day :)
Regarding the default speed, if it’s still relevant to you, write here, I’ll think about what can I do.
Not working.
But would be great if it would save the default speed-setting, for me would be 2x :-)