Web development is the work involved in developing a Web site for the Internet or an intranet. Web development can range from developing a simple single static page of plain text to complex web applications, electronic businesses, and social network services.
Python can be used to build server-side web applications. While a web framework is not required to build web apps, it's rare that developers would not use existing open source libraries to speed up their progress in getting their application working. PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.
MySQL is an open-source relational database management system. MongoDB is a source-available cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas.