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.

University of California, Irvine
Skills you'll gain: Internet Of Things, Basic Electrical Systems, Automation Engineering, Electronics, Electronic Components, Embedded Systems, Control Systems, Electronic Hardware, Wireless Networks, Electrical and Computer Engineering, Hardware Design, Peripheral Devices, Human Machine Interfaces, Electrical Wiring, Computer Systems, Programming Principles, Systems Engineering, Computer Programming, Remote Access Systems, Interactive Learning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, Responsive Web Design, API Design, Restful API, Middleware, Data Migration, Configuration Management, Application Deployment, Data Validation, HTML and CSS, Database Application, Software Testing, C# (Programming Language), Postman API Platform, Full-Stack Web Development, Microsoft Azure, Web Applications, Web Development, Javascript and jQuery
Intermediate · Professional Certificate · 3 - 6 Months

Berklee
Skills you'll gain: Music Theory, Musical Composition, Instrumental Music, Music, Music Performance, Storytelling, Creativity
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Environmental Science, Environment, Biology, Social Justice, Culture, Natural Resource Management, International Relations, Sustainable Development, Anthropology, World History, Ethical Standards And Conduct, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Sustainable Systems, Water Sustainability, Sustainable Business, Waste Minimization, Supply Chain, Systems Thinking, Climate Change Mitigation, Land Management, Environment and Resource Management, Innovation, Nutrition and Diet, Public Policies, Case Studies
Beginner · Course · 1 - 3 Months

The Museum of Modern Art
Skills you'll gain: Self-Awareness, Positivity, Creativity, Personal Development, Empathy, Optimism, Mindfulness, Resilience, Emotional Intelligence, Curiosity, Stress Management
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Probability, Probability Distribution, Probability & Statistics, Statistics, Data Literacy
Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Calculus, Integral Calculus, Advanced Mathematics, Graphing, Trigonometry, Mathematical Modeling, Mathematical Theory & Analysis, Algebra, Computational Thinking, Applied Mathematics, Mathematical Software, Derivatives
Mixed · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Problem Solving, Vocabulary, Logical Reasoning, Critical Thinking, Data Literacy, Arithmetic, Decision Making, Deductive Reasoning, Data Analysis, Analytical Skills, Complex Problem Solving, Grammar, English Language, Case Studies, Literacy, Learning Strategies, Applied Mathematics, Data-Driven Decision-Making, Quantitative Research, Estimation
Beginner · Specialization · 3 - 6 Months

École Polytechnique
Skills you'll gain: Physics, Experimentation, Cryptography, Electrical Engineering, Mathematical Modeling, Laboratory Research, Applied Mathematics, Engineering, Scientific, and Technical Instruments, Emerging Technologies
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Modeling, Graphing, Mathematical Modeling, Algebra, Trigonometry, Linear Algebra, Calculus, Mathematical Software, Applied Mathematics, Geometry
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Global Positioning Systems, Mechanics, Linear Algebra, Numerical Analysis, Engineering Calculations, Engineering Analysis, Differential Equations, Trigonometry, Physics, Mathematical Modeling, Applied Mathematics, Verification And Validation, Advanced Mathematics, Algorithms, Calculus
Advanced · Course · 1 - 4 Weeks