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.

Cisco Learning and Certifications
Skills you'll gain: Hybrid Cloud Computing, Cloud-Based Integration, Cloud Computing, Key Management, Session Initiation Protocols, Network Troubleshooting, Network Monitoring, Cloud Security, Collaborative Software, Systems Integration, Live Streaming, Telecommunications, Encryption, Communication Systems
Beginner · Course · 1 - 4 Weeks
University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), File I/O, Data Structures, C (Programming Language), C and C++, Programming Principles, Object Oriented Programming (OOP), Debugging, C++ (Programming Language), Computer Programming, Unit Testing, Program Development, Computational Thinking, Integrated Development Environments, Computer Science, Pseudocode, Command-Line Interface, Software Testing, Algorithms, Integration Testing
Intermediate · Specialization · 3 - 6 Months

Lund University
Skills you'll gain: Sustainable Development, Climate Change Adaptation, Sustainable Design, Sustainable Technologies, Community Development, Governance, Socioeconomics, Water Sustainability, Environment, Sustainable Business, Social Impact, Systems Thinking, Environmental Issue, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Multimedia, Business Modeling, Innovation
Beginner · Specialization · 3 - 6 Months
Michigan State University
Skills you'll gain: Photography, Photo Editing, Image Quality, Peer Review, Digital Publishing, Creativity, Information Privacy, Web Design and Development
Mixed · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Energy and Utilities, Environmental Science, Environment, Oil and Gas, Electric Power Systems, Sustainable Development, Sustainable Technologies, Climate Change Mitigation, Construction, Physics
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Human Musculoskeletal System, Anatomy, Endocrinology, Orthopedics, Kinesiology, Physiology, Neurology, Medical Terminology, Cell Biology, Biology, Chemistry, Clinical Practices, Sports Medicine, Physical Therapy, Molecular, Cellular, and Microbiology, Life Sciences, Lifelong Learning
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Materials science, Mechanical Engineering, Structural Analysis, Manufacturing Processes, Failure Analysis, Chemical Engineering, Engineering Calculations
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Aesthetics, Art History, Music History, Liberal Arts, Music, Education and Training, Social Justice, Social Impact, Performing Arts, Public Affairs, Cultural Diversity, Community Development, Classical Music, Case Studies
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Business Ethics, Leadership and Management, Organizational Strategy, Project Management, Leadership Studies, Influencing, Team Management, Conflict Management, Employee Coaching, Strategic Thinking, Team Building, Decision Making, Coaching, Relationship Building, Communication, Business Communication, Active Listening
Mixed · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Precision Medicine, Sports Medicine, Athletic Training, Rehabilitation, Responsible AI, Data Ethics, Injury Prevention, Augmented and Virtual Reality (AR/VR), AI Personalization, Health Systems, Exercise Science, Health Technology, Artificial Intelligence, Emerging Technologies, Healthcare Ethics, Machine Learning, Human Machine Interfaces, Predictive Modeling, Risk Management, Real Time Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Responsible AI, No-Code Development, LLM Application, AI Enablement, ChatGPT, Business Metrics, Data Ethics, AI Personalization, Return On Investment, Artificial Intelligence, AI Product Strategy, Customer experience improvement, Language Interpretation, Translation, and Studies, Performance Measurement, Large Language Modeling, Product Improvement, Cross Platform Development, Continuous Improvement Process, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Social Justice, Advocacy, Community Organizing, Sociology, Social Sciences, Jury Trial, Case Studies, World History, Labor Law
Beginner · Course · 1 - 3 Months