Web development is the lifeblood of a web site. Web Development is the process of making every piece of design that a web designer makes functional and dynamic . A web site can be divided into three parts such as design or template , content management system and database. A web developer combines these three things to make the whole system active and dynamic. The job of a web developer is to process data , control the database , build security , control the user and admin capabilities , make all the features of the application functional and dynamic and control the functionality and usability of the whole system. If you want to be a good web developer you need to have detailed knowledge about PHP, MySQL as well as HTML, CSS, JAVASCRIPT, JQUERY, Bootstrap .