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.

Yale University
Skills you'll gain: Sustainable Development, Environment and Resource Management, Social Justice, Liberal Arts, Cultural Diversity, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Language Interpretation, Translation, and Studies, Cultural Diversity, Culture, Language Learning, Liberal Arts, Literacy, Social Studies, Political Sciences, Ancient History
Mixed · Course · 1 - 3 Months
National Taiwan University
Skills you'll gain: Food and Beverage, Cooking, Sustainable Development, Socioeconomics, Culture, Nutrition and Diet, Innovation, Food Safety and Sanitation, Social Sciences, Cultural Diversity, Sustainability Standards, Environment and Resource Management, Economic Development, Environmental Science, Biology, Pharmaceuticals, Ethical Standards And Conduct, Biotechnology, Law, Regulation, and Compliance
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Maintainability, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Software Design Documents, System Design and Implementation, Internet Of Things, Technical Documentation, Technical Communication, Mobile Development, Test Case, System Testing, Software Development, Wireless Networks, Embedded Systems, Systems Integration
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: SQL, Database Systems, Database Theory, Database Management, Query Languages, Database Design, Relational Databases, Database Administration, Database Application, Data Access, Data Science, Data Analysis, Data Manipulation, Data Modeling, Data Integrity
Build toward a degree
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Cultural Diversity, Disabilities, Web Content Accessibility Guidelines, Communication Strategies, Performing Arts, Diversity Equity and Inclusion Initiatives, Planning, Needs Assessment, Coordination, Law, Regulation, and Compliance
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Culture, Ancient History, Cultural Diversity, World History, Art History, Liberal Arts, Anthropology, Sociology, Storytelling
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Malware Protection, Network Monitoring, Network Administration, TCP/IP, Network Infrastructure, Infrastructure Security, Intrusion Detection and Prevention, Network Protocols, Load Balancing, Firewall, Vulnerability Assessments, General Networking, Authorization (Computing), Web Applications, Authentications
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, electromagnetics, Electrical Engineering, Electronic Systems, Electronics, Electronics Engineering, Electrical Systems, Computer-Aided Design, Technical Design, Control Systems, Simulation and Simulation Software, Design Specifications
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Network Security, Threat Detection, Vulnerability Scanning, Cybersecurity, Cyber Attacks, Brute-force attacks, Exploitation techniques, Application Security, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Authentications, Encryption, Wireless Networks
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Health Disparities, Health Equity, Design Thinking, Professional Development, Environmental Issue, Ethical Standards And Conduct, Advocacy, Community Organizing, Leadership, Sustainable Systems, Leadership Development, Social Determinants Of Health, Personal Development, Climate Change Mitigation, International Relations, Environmental Policy, Environment, Environmental Science
Beginner · Specialization · 1 - 3 Months