This is a really cool widget that created the loading bar effect seen is youtube. When you click on a video or any link in youtube a red bar shows up on the top of the screen. This is a really interactive way to show your audience that the page is loading. Specially when loading takes more time, this give you website viewer approximately how long it would take to load the page mainly a visual idea.

This widget was build with the help of Pace.JS, a popular JavaScript library and modify it for adobe muse. All you have to to is drag and drop the widget from the widget library. You have the ability to change the color and thickness of the loading bar from the flyout menu. Another widget by Toufic Nabi