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.

Rice University
Skills you'll gain: Growth Mindedness, Stress Management, Resilience, Mindfulness, Personal Development, Self-Awareness, Compassion, Personal Attributes, Positivity, Empathy, Mental Health, Mental Concentration, Interpersonal Communications, Communication, Emotional Intelligence, Social Impact, Behavioral Health, Cognitive flexibility, Persistence, Overcoming Obstacles
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Color Theory, Graphic Design, Typography, User Experience Design, Graphic and Visual Design Software, Design, Digital Design, Design Elements And Principles, Web Design and Development, Adobe Photoshop, Image Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales Territory Management, B2B Sales, Regional Sales, Selling Techniques, Sales Management, Consultative Selling, Sales, Sales Strategy, Sales Training, Market Analysis, Sales Process, Market Research, Competitive Intelligence, Customer Relationship Management, Negotiation
Intermediate · Course · 1 - 4 Weeks

Intuit
Skills you'll gain: Inventory Accounting, Inventory Control, Fixed Asset, Depreciation, Property Accounting, Lease Contracts, Asset Management, Bookkeeping, Accounting, Financial Statements, Balance Sheet, Income Statement
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Semiconductors, Electronics, Electronic Components, Performance Testing, Physics, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 3 Months

Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Music Performance, Creativity
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Legal Risk, Contract Management, Contract Review, Risk Mitigation, Contract Compliance, Procurement, Vendor Contracts, Purchasing, Contract Negotiation, Strategic Sourcing, Decision Making, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Cognitive flexibility, Psychology, Compassion, Learning Theory, Social Skills, Empathy, Anthropology, Train The Trainer, Experimentation, Research, General Science and Research, Scientific Methods, Cultural Diversity, Cooperation, Non-Verbal Communication, Biology
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Experimentation, Research Design, Statistical Modeling, Statistical Methods, Applied Machine Learning, Supervised Learning, Logistic Regression, Predictive Modeling, Statistical Programming, Statistical Analysis, Statistical Inference, Simulation and Simulation Software, Probability & Statistics, Data Science, Data Visualization, Simulations, Data Analysis, Data Analysis Software
Intermediate · Course · 1 - 4 Weeks

Sciences Po
Skills you'll gain: Oil and Gas, Energy and Utilities, Climate Change Mitigation, International Relations, Environmental Issue, Electric Power Systems, Natural Resource Management, Environmental Policy, Economics, Political Sciences, Market Dynamics, Sustainable Development
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Labor Relations, Labor Law, World History, Economic Development, Socioeconomics, Economics, Global Marketing, International Relations, Business Economics, Demography, Market Opportunities, Cultural Diversity, Culture, Governance
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Adaptability, Resilience, Personal Attributes, Professional Development, Action Oriented, Overcoming Obstacles, Self-Awareness, Cognitive flexibility, Growth Mindedness, Personal Development, Relationship Building, Plan Execution, Composure, Productivity, Planning, Behavioral Management, Positivity, Optimism
Beginner · Course · 1 - 4 Weeks