Web applications are websites with functionality and interactive elements. Gmail, Facebook, YouTube, Twitter, etc. are all web apps that are dynamic, and built for user engagement. Because web apps are extremely customizable and can perform a wide range of functionality, they are generally more difficult to build and require an experienced team of software developers.
A web application is computer software accessed through a web browser, often connected to a database to provide an interactive experience specific to the individual using it. In Web Apps, Data can be referenced, stored, and accessed through a customized interface to simplify the delivery of information to your customer.
How Web applications work
Web applications do not need to be downloaded since they are accessed through a network. Users can access a Web application through a web browser such as Google Chrome, Mozilla Firefox or Safari. For a web app to operate, it needs a Web server, application server, and a database. Web servers manage the requests that come from a client, while the application server completes the requested task. A database can be used to store any needed information.