You can track the following YouTube video events in Google Analytics. - Start - denotes video is playing. - Pause - denotes video is paused. - Seek - denotes scrub bar is moved to seek or reposition timing within a video. - Buffering - denotes video buffering / downloading. - Progress - denotes the progress of a specific video by percentage or time threshold. For example, if 5% of the total video length has been played then the value of Progress can be 5%. Similarly, if 10 seconds of video has been played then the value of Progress can be 10 seconds. - Complete - denotes a video finished playing