The module provides basic technical knowledge to help learners design and develop web applications in economics/business. Learners are introduced from the general knowledge of the Web and Internet environment, the client-server architecture model of web applications, to the specific steps to set up a website, the website programming language. from basic to advanced. In addition, website exploitation and optimization services in the digital era are also introduced for students to grasp and apply in practice (web 1.0, 2.0, 3.0; social media...). This course is in the form of a project. Students will follow a website design project at the beginning of the course to understand the technology of building web applications, website optimization, web application security measures and updating trends. Website development on multimedia interface platforms.