Ever wonder how long is it going to take you to complete a tutorial in Youtube? Maybe which is the average length of videos in a playlist?
Youtube Playlist Info provides this little extra info in a pretty concise way.
谷歌浏览器、其他Chromium内核的浏览器
为打击盗链困扰,本站已启用人机验证
微信扫码关注左侧公众号,发送“插件”二字获得验证码,验证码5分钟全站有效