jQuery.html5Loader can preload images, html5 video and audio sources, css, scripts and text files. This plugin needs a JSON file to get the files that must be preloaded (you can use also use a javascript object as well), and it provides an easy API to give you the the amount of file loaded in percentage.Demosnprogress preloaderAppend the files loaded on the flyBig counter animationCircular preloaderLine preloader
HTML5 jSON Plugins Web