Go here http://www.000webhost.com and you will create a new account, when you are in registation page you will put your own domain [(If you have)] or you can create your site with yourSITEname.net16.com or yourSITEname.comlu.com and then after create your site they give you one username if you want to upload you own index or other files with SmartFTP or FileZilla. And if you need free domain go to http://www.dot.tk and make it :P