Unlike some years back when Internet sites were almost exclusively static, the standard today is to have a feature-rich, dynamic web site. Not many people can create such a web site from scratch though, so the simplest solution to have a dynamic site is to use a script app. A lot of web hosting companies offer script installers that can be used to add this sort of an app for each of your domain or subdomains, so you'll not need to set up anything manually. The key advantage of using an installer tool is that the scripts are ready to use in just a few minutes and the copy that will be set up is already with the settings necessary for it to run correctly on the specific hosting server, so you'll not have to alter any script or account settings. In this way you can easily build one with simply a couple of clicks even if you have never had a website before.