It preserves YouTube's progress bar always visible even if the controls are hidden.
< Feedback on YouTube ProgressBar Preserver
great, I used another firefox add-on for this, but this script works better.
(๑'ᴗ^๑)*
Yanıt göndermek için oturum açın.
注册一下就行
一年攒够 12 元
great, I used another firefox add-on for this, but this script works better.