Web application software that runs on a web server with an active internet connection unlike the computer-based software programs is a web application. With an active internet connection, web applications can be accessed through a web browser. Some of the examples of web applications are online banking, webmail, online auctions, Facebook, online retail sales. A web application utilizes web technology and a web browser to perform tasks in a device over the internet. Web applications use code in a browser-supported language such as HTML and JavaScript. The process and practice of developing a web application is web application development. The application programs that resides on a remote servers which are created and delivered to the user’s device over the internet is the web application development.

A web application can be accessed through a network and doesn’t need to be downloaded. Web applications have a large amount of information and it may also contain mistakes. So, the web application testing process tends to be done in-depth. The tests may include security, load stress, usability, performances, quality assurance tests, and accessibility. Some of the useful web applications development tools are Bootstrap, jQuery, js, and Ruby on Rails. Like the traditional desktop applications testing web applications undergo the same unit, integration, and system testing. The web application testing goals involve:
The applications are working correctly
Web applications have a great deal of information and it also contains mistakes, incorrect labels, omissions, and so on. Those mistakes, errors need to be corrected.
The system software upon which web application or desktop applications runs is the application server. A web browser such as safari, Mozilla Firefox, Google chrome, etc. using the browser an end-user can access a web application. JavaScript, cascading style sheets (CSS), and HTML5 are the language used by the majority of the web applications.