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.

Arizona State University
Skills you'll gain: Semiconductors, Electronics Engineering, Computer Architecture, Thermal Management, Scalability, Systems Integration, Materials science, Manufacturing Processes, Technical Standard, Reliability
Beginner · Course · 1 - 3 Months

Universidade Estadual de Campinas
Skills you'll gain: Music Performance, Classical Music, Coordination
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integral Calculus, Calculus, Advanced Mathematics, Mechanics, Applied Mathematics, Mathematical Theory & Analysis, electromagnetics, Derivatives, Physics
Mixed · Course · 1 - 3 Months
École Polytechnique
Skills you'll gain: Semiconductors, Materials science, Energy and Utilities, Electrical Systems, Sustainable Technologies, Electronic Systems, Chemistry, Physics
Advanced · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: digital literacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ancient History, Social Justice, Cultural Diversity, European History, World History, International Relations, Sociology, Social Impact, Political Sciences, Media and Communications
Beginner · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Instrumental Music, Music Performance
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Physics, Laboratory Experience, Electrical Systems, Experimentation, Electric Power Systems, Scientific Methods, electromagnetics, Physical Science, Electronic Components
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Markov Model, Molecular Biology, Biotechnology, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Engineering Analysis, Mathematical Software, Electrical Engineering, Engineering Design Process, Simulations, Biochemistry, Computational Thinking, Failure Analysis, Differential Equations, Cell Biology, Hazard Analysis, Technical Design, Chemical Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Fudan University
Skills you'll gain: Video Editing, Video Production, Post-Production, Editing, Cinematography, Storytelling, Creativity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Color Theory, Graphic Design, Logo Design, Digital Design
Intermediate · Guided Project · Less Than 2 Hours

Universidad Autónoma Metropolitana
Skills you'll gain: Geometry, Graphing, Algebra, Visualization (Computer Graphics), Applied Mathematics, Mathematical Theory & Analysis
Intermediate · Course · 1 - 3 Months