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.

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Advanced Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Derivatives
Intermediate · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Thermal Management, Energy and Utilities, Mechanics, Control Systems, Engineering Analysis, Engineering Calculations, Engineering, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Bartending, Cooking, Hospitality, Planning, Meal Planning And Preparation, Verbal Communication Skills, Oral Expression, Strategic Planning
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Jenkins, Devops Tools, CI/CD, DevOps, Continuous Integration, Docker (Software), Continuous Delivery, Software Development Tools, Build Tools, Software Development, Containerization, Application Deployment, Software Installation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Indian Institute of Science
Skills you'll gain: Biomedical Engineering, Medical Devices, Medical Equipment and Technology, Vital Signs, Chemistry, ISO 13485 Standard, Materials science, Diagnostic Tests, Electrophysiology, Biology, Neurology, Electronics, Artificial Intelligence, Oncology
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Risk Management, Derivatives, Risk Mitigation, Portfolio Risk, Business Risk Management, Financial Trading, International Finance, Market Research
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Internet Of Things, Wireless Networks, General Networking, Cybersecurity, IBM Cloud, Cloud Platforms, Cryptography, Automation, Emerging Technologies, Software-Defined Networking, Market Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Simulation and Simulation Software, Mechanical Design, Mechanical Engineering, Control Systems, Computer Vision, Laboratory Experience, Robotics, Equipment Design, Experimentation, Matlab, Electronic Systems, Vibrations, Hydraulics, Mathematical Modeling, Automation
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Color Theory, World Music, Disabilities, Social Justice, Performing Arts, Music, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Musical Composition, Cultural Diversity, Aesthetics, Music Theory, Art History, Pedagogy, Sociology, Creativity, Critical Thinking, Communication
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronics, Display Devices, Electronic Components, Materials science, Engineering Calculations, Mathematical Modeling, Physics, Applied Mathematics
Build toward a degree
Advanced · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Precision Medicine, Biomedical Engineering, Energy and Utilities, Medical Imaging, Artificial Intelligence, Electric Power Systems, Bioinformatics, Deep Learning, Sustainable Technologies, Generative AI, Applied Machine Learning, Predictive Modeling, Molecular Biology, Anomaly Detection, Pharmacology
Intermediate · Course · 1 - 4 Weeks