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, Thermal Management, Materials science, Chemical Engineering, Engineering Analysis
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Electrical Power, Power Electronics, Electrical Systems, Electrical Equipment, Torque (Physics), Electronic Components, Electric Power Systems, Basic Electrical Systems, Electrical Engineering, Semiconductors, Mechanical Engineering, Three-Phase, Control Systems, Electronics, Low Voltage, High Voltage, Machine Controls, System Monitoring, Energy and Utilities, Thermal Management
Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, UI Components, Front-End Web Development, Web Applications, Typography
Build toward a degree
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

Universitat Politècnica de València
Skills you'll gain: Linear Algebra, Algebra, Geometry, General Mathematics, Applied Mathematics, Arithmetic
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Chemistry, Taxonomy, Production Process, Biochemistry, Biology, Anatomy, Laboratory Research, Scientific Methods
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Photo Editing, Video Editing, Adobe Photoshop, Photography, Post-Production, Adobe Creative Cloud, Color Theory, Image Quality, File Management, Creative Design, Editing, Data Import/Export, Data Storage
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Energy and Utilities, Sustainable Development, Corporate Sustainability, Strategic Leadership, Product Engineering, Environmental Management Systems, Environmental Engineering, Waste Minimization, Packaging and Labeling, Product Lifecycle Management, Climate Change Mitigation, Emerging Technologies
Build toward a degree
Intermediate · Course · 1 - 3 Months

Yad Vashem
Skills you'll gain: Art History, European History, World History, Social Justice, Political Sciences, Cultural Diversity, Psychology, Liberal Arts, Policy Analysis, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Civil Engineering, Structural Analysis, Hazard Analysis, Failure Analysis, Engineering Analysis, Risk Control, Geospatial Information and Technology, Physical Science, Mechanics, Augmented and Virtual Reality (AR/VR), Experimentation
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Remote Access Systems, Linux, Web Applications, Internet Of Things, Embedded Systems, Application Programming Interface (API), Robotics, Linux Commands, Command-Line Interface, Electronics, Control Systems, Electronic Systems, System Configuration, Python Programming, Hardware Troubleshooting, Software Installation, Peripheral Devices
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Adobe InDesign, Layout Design, Color Theory, Typography, Photo Editing, Graphic Design, Design, Digital Design, Design Software
Beginner · Guided Project · Less Than 2 Hours