Page Loading Screen Document Preloader Tutorial JavaScript CSS HTML
Lesson Code: http://www.developphp.com/video/JavaScript/Page-Loading-Screen-Document-Preloader-Tutorial
Learn how to apply a loading screen overlay to your web pages and documents using HTML, CSS and JavaScript. I will just demonstrate something simple that you guys can expand upon if interested. You can choose to add animated preloader graphics, but make sure they are extremely fast loading so they show up instantly.
source