Unlike some years ago when Internet sites were almost exclusively static, the standard currently is to have a feature-rich, dynamic Internet site. Not many people can create this kind of website completely from scratch though, so the simplest solution to have a dynamic site is to use a script app. A lot of website hosting providers offer script installers which you can use to add this sort of an app for any of your domain or subdomains, so you'll not have to add anything manually. The main advantage of using an installer tool is the fact that the scripts are available to use in a couple of minutes and the copy that will be set up is already with the settings needed for it to run properly on the particular hosting web server, so you'll not have to adjust any script or account settings. This way you can easily build one with simply a couple of clicks even though you may have never had a website before.