HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Duke University
Skills you'll gain: Intellectual Property, Data Sharing, Multimedia, Music, Video Production, Electronic Media, Law, Regulation, and Compliance, Photography
Mixed · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Sustainable Development, Sustainable Technologies, Materials science, Education Software and Technology, Water Sustainability, Engineering, Scientific, and Technical Instruments, Environmental Engineering, Chemistry, Solution Design, Biomedical Engineering, Emerging Technologies, Innovation, Electronics, Healthcare Ethics, Safety Standards, Experimentation, Teamwork, Physics
Beginner · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: World History, European History, Social Studies, International Relations, Political Sciences, Public Safety and National Security, Demography, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Philanthropy, Ethical Standards And Conduct, Business Ethics, Decision Making, Policy Analysis, Behavioral Economics, Research, Program Evaluation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), Web Services, HTML and CSS, JSON, Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Failure Analysis, Electronic Components, Systems Engineering, Thermal Management, Control Systems, High Voltage, Power Electronics, Electrical Engineering, Energy and Utilities, Basic Electrical Systems, Electrical Safety, Materials science, Manufacturing Processes, Chemistry, Requirements Analysis
Intermediate · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Probability, Probability Distribution, Simulations, Probability & Statistics, Interactive Data Visualization, Mathematical Modeling, Statistics, Applied Mathematics, Analysis
Mixed · Course · 1 - 3 Months

University of Manchester
Skills you'll gain: Analytical Chemistry, Biochemistry, Laboratory Techniques, Chemistry, Laboratory Equipment, Vibrations, Engineering, Scientific, and Technical Instruments, Physics, Structural Analysis
Intermediate · Course · 1 - 4 Weeks

The University of North Carolina at Chapel Hill
Skills you'll gain: Music Theory, Choral Music, Music Performance, Instrumental Music, Music, Classical Music, Coordination, Oral Expression
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Electrical Power, Pollution Prevention, Sustainable Development, Environmental Policy, Oil and Gas, Sustainable Technologies, Environment, Socioeconomics, Environmental Science, Biological Engineering, Economics, Chemical Engineering
Mixed · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: ArcGIS, Spatial Data Analysis, Geographic Information Systems, Spatial Analysis, Geospatial Mapping, Data Mapping, Global Positioning Systems, Data Capture
Beginner · Course · 1 - 3 Months

The University of Melbourne
Skills you'll gain: Music, World Music, Cultural Diversity, Rehabilitation, Social Determinants Of Health, Health And Wellness Coaching, Community Development, Psychotherapy, Mental Health, Neurology
Beginner · Course · 1 - 3 Months