Web application development is one of those concepts that you can probably puzzle out if you simply focus on the words. It is the creation and maintenance of software applications to be used on the World Wide Web.
(WWW)
Web application development is performed by specialized programmers, who are familiar with the coding necessary for the creation of Web pages, including HTML, XML, Flash, Perl, CSS, PHP, JSP, ASP, and others. Each of these has a specific function and creates varied results. To varying degrees, programmers are proficient in one or more of these languages. Web application development can be varied or specific, depending on the needs of the Web pages involved.
One of the most basic types of Web application development involves
e-commerce sites. This is the kind of website you see when you shop online. Designers of these sites must anticipate all kinds of unusual customer behavior, as well as heavy traffic, while keeping the server and "shopping cart" up and running.