Web viewers may never know about the background of an application, such as HTML5, CSS3, Responsive Web Design, or PHP. What they want to know is whether your application works on their device or not and how much effort is required. Even though web development has changed over the years, the core task of creating a web page has not been changed. We create a document and put it out on the Web for people to view. To put something on the Web, we need to learn some special languages that are accepted on the Web. Yes, we are talking about the scripting languages such as HTML and PHP.