- If you want to rewind the video, YouTube has to redownload it again
- If you pause the video, YouTube will not continue with the download of the video.
Install YouTubeCenter in Firefox
- Download this addon https://addons.mozilla.org/en-us/firefox/addon/youtube-center/
- Click on "Add to Firefox" button to install.
- Press "Allow" on the permission to install.
- After installation is complete, goto "Options" of YouTubeCenter and then configure the settings.