Enable hotkeys for HTML5 playback: video screenshot; enable/disable picture-in-picture; copy cached video; send any video to full screen or browser window size; fast forward, rewind, pause/play, volume, skip to next video, skip to previous or next frame, set playback speed. Video sites supported: YouTube, TED, Youku, QQ.com, bilibili, ixigua, iQiyi, support mainstream video sites in mainland China; Live broadcasts: Twitch, Douyu.com, YY.com, Huya.com. Custom sites can be added
B站视频后退时CC弹幕进度不跟随视频进度
视频用←方向键后退进度时，视频的CC字幕并不跟随视频进度，仍然停留在视频后退点的字幕，直到视频进度超过这个后退点才恢复跟随。想后退时CC字幕跟随视频进度需要鼠标拖进度条才行。而→右方向键快进时，CC字幕进度是跟随视频的，没有问题。