Unlike some years back when Internet sites were almost exclusively static, the standard currently is to have a feature-rich, dynamic site. Not everybody can build such a website completely from scratch though, hence the most convenient solution to have a dynamic site is to use a script app. Many hosting providers offer script installers which you can use to add this type of an app for each of your domain or subdomains, so you will not have to add anything manually. The advantage of using an installer tool is the fact that the scripts are ready to use within a couple of minutes and the copy that'll be set up is already with the settings required for it to run adequately on the particular hosting server, so you will not have to modify any script or account settings. This way you can effortlessly build one with just a couple of clicks even if you have never had a website before.