It is programming language used to create dynamic web pages. Dynamic web pages mean that the web pages providing fresh information to the users who visit the site every time. ColdFusion is a standard HTML (Hyper Text Markup Language) based programming language and allows you to make pages on the fly that differ based on the user input, database lookups, time of day and whatever you want to do in your web site.

Applications created with ColdFusion can be as straightforward as making a static web page, but the major difference and benefit is that you can bring in such functionalities which are not possible with static web sites or in the traditional client / server applications.