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.

ESSEC Business School
Skills you'll gain: Mediation, Conflict Management, Negotiation, Diplomacy, Labor Relations, Case Studies, Interactive Learning, Communication, Active Listening, International Relations
Intermediate · Course · 1 - 3 Months
University of Leeds
Skills you'll gain: Critical Thinking, Collaboration, Collaborative Software, Learning Strategies, Communication, Self-Awareness, Technical Communication, Digital Communications
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Risk Modeling, Risk Management, Mathematical Modeling, Predictive Modeling, Simulation and Simulation Software, Operations Research, Probability Distribution, Data-Driven Decision-Making, Statistical Hypothesis Testing, Statistical Analysis, Microsoft Excel, Excel Formulas
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Sustainable Design, Stormwater Management, Social Justice, Environmental Resource Management, Socioeconomics, Climate Change Mitigation
Beginner · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Oral Comprehension
Mixed · Course · 1 - 3 Months
DeepLearning.AI
Skills you'll gain: Data Analysis, Jupyter, Exploratory Data Analysis, Artificial Intelligence, Machine Learning, Predictive Modeling, Applied Machine Learning, Responsible AI, Supervised Learning, Information Privacy, Deep Learning, Environmental Monitoring, Public Health
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Simulations, Python Programming, Numerical Analysis, Mathematical Modeling, Probability, Artificial Intelligence and Machine Learning (AI/ML), Visualization (Computer Graphics), Mechanics
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Prototyping, Manufacturing Processes, Materials science, Manufacturing and Production, Mechanical Engineering, 3D Modeling, Safety Training, Personal protective equipment
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Social Studies, Diversity Awareness, Cultural Diversity, Sociology, Social Sciences, Culture, Social Justice, World History, Political Sciences, Economics, Policy, and Social Studies, Policy Analysis, Immigration Law, Demography
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Laboratory Equipment, Materials science, Laboratory Testing, Analytical Chemistry, Laboratory Techniques
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Risk Management, Organizational Structure, Organizational Strategy, Strategic Leadership, Art History, Organizational Effectiveness, Customer Analysis, Market Opportunities, Organizational Leadership, Strategic Communication, Stakeholder Communications, Liberal Arts, Fundraising, Target Audience, Value Propositions
Mixed · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Security Management, Intelligence Collection and Analysis, International Relations, Public Safety and National Security, Safety and Security, Risk Management, Cybersecurity, Governance, Cultural Diversity, Economics, Policy, and Social Studies
Beginner · Course · 1 - 3 Months