Most people use Youtube to watch video on internet. But sometimes slow internet connection gives unpleasant experience with glitches in video viewing experience. Youtube feather hepls to make YouTube Videos load faster over slow internet connection. Youtube pages load up with options and lot of code which makes Youtube page very heavy so youtube videos take time to start.
Youtube have an alternative version Youtube Feather which is at beta testing stage, Youtube feather serve YouTube video pages with the lowest latency possible. It removes many optional interactive and sharing features in the Youtube video so it takes much lesser time to load video in slow internet connection.
For the common Youtube user, you just need to watch the video with no frills, Youtube Feather is light, fast and clean.
You can switch back to the regular Youtube page by clicking options.