PageLoader is a tremendously customizable WordPress loading screen and progression bar plugin. Add it to your theme as a simple loader or make use of it as a full-blown branding tool; the incredibly easy to use customization tools allow for both (and then some!).
Demohttps://codecanyon.net/item/pageloader-loading-screen-and-progress-bar-for-wordpress/6594364
Downloadhttps://www.filecad.com/a97a/PageLoader-v4.1---Loading-Screen-and-Progress-Bar.rar