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.

Universitat Autònoma de Barcelona
Skills you'll gain: Digital Transformation, Liberal Arts, digital literacy, Informatics, Image Analysis, Human Computer Interaction, Research, Computer Science, Public History, Technology Solutions, Open Source Technology, Research Methodologies, Data Ethics, Computer Vision, Law, Regulation, and Compliance, Artificial Intelligence, Media and Communications, Information Privacy
Beginner · Course · 1 - 4 Weeks
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Communication Systems, Emerging Technologies, Informatics, Cryptography, Computational Thinking, Physics, Mathematical Modeling
Advanced · Course · 1 - 3 Months
Georgia Institute of Technology
Skills you'll gain: Failure Analysis, Mechanical Design, Structural Analysis, Materials science, Engineering Analysis, Engineering Design Process, Mechanics, Biomedical Engineering, Problem Solving
Intermediate · Course · 1 - 3 Months

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

University of Colorado Boulder
Skills you'll gain: Ancient History, World History, Research, European History, Storytelling, Culture, Language Interpretation, Translation, and Studies
Beginner · Course · 1 - 4 Weeks

The University of Notre Dame
Skills you'll gain: Communication Systems, Digital Communications, Telecommunications, Wireless Networks, Digital Signal Processing, Electronics Engineering, General Networking, Electronics, System Requirements, Network Architecture, Technical Communication, Reliability
Beginner · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Ancient History, Culture, Diagram Design, Intercultural Competence, Cultural Diversity, Liberal Arts, Language Learning, Research, Language Interpretation, Translation, and Studies, World History, Social Studies, Anthropology, Discussion Facilitation
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Feasibility Studies, Plant Operations and Management, Project Finance, Electric Power Systems, Electrical Power, Energy and Utilities, Engineering, Basic Electrical Systems, Sustainable Technologies, Systems Of Measurement, Project Implementation, Financial Analysis, Market Dynamics, Climate Change Mitigation, Project Management Life Cycle, Construction Management, Emerging Technologies, Project Management, Environmental Issue, Mechanical Engineering
Beginner · Specialization · 3 - 6 Months

Technical University of Denmark (DTU)
Skills you'll gain: Water Resource Management, Energy and Utilities, Environmental Engineering, Stormwater Management, Environment and Resource Management, Sustainable Technologies, Civil Engineering, Environmental Management Systems, Water Quality, Land Management, Sustainable Development, Cultural Sensitivity, Climate Change Adaptation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, ASP.NET, Restful API, .NET Framework, Web Applications, Web Services, Front-End Web Development, JSON, Application Development, Model View Controller, Program Development, Javascript, Development Environment, Back-End Web Development, API Design, Web Development, Microsoft Visual Studio, Software Design Patterns, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Energy and Utilities, Environmental Regulations, Reliability, Process Engineering, Plant Operations and Management, Electrical Systems, Stormwater Management, Process Control, Water Quality, Control Systems, Water Resource Management, Engineering Design Process, Thermal Management, Construction Engineering, Mechanical Engineering, Materials science, Risk Management Framework
Intermediate · Specialization · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Life Sciences, Physical Science, Biology, General Science and Research, Biochemistry, Physics, Experimentation, Chemistry, Environmental Science
Beginner · Course · 1 - 4 Weeks