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: Environment, Environmental Science, Life Sciences, Environmental Issue, Biology, Sustainable Development, Natural Resource Management, Climate Change Adaptation, Estimation, Climate Change Mitigation, Experimentation
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, TikTok, Storytelling, Animations, Timelines, Post-Production, Content Creation, Multimedia, Video Production, Editing, Productivity, Color Theory, Web Content Accessibility Guidelines, Typography
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Application Deployment, Authentications, CI/CD, Application Development, Interactive Data Visualization, React.js, Full-Stack Web Development, JavaScript Frameworks, Application Performance Management, SQL, Databases, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Software Development, Web Development Tools, Development Environment, Server Side, File I/O, Web Servers, Data Storage, Data Entry
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Arithmetic, Mathematics Education, Mathematical Modeling, Digital pedagogy, Calculus, Applied Mathematics, Mathematical Theory & Analysis, Algebra, Graphing
Mixed · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Waste Minimization, Chemistry, Chemical Engineering, Environmental Engineering and Restoration, Environmental Science, Environment, Environmental Issue, Materials science
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Systems Design, Application Specific Integrated Circuits, Test Case, Electronics Engineering, Verification And Validation, Electronics, Simulation and Simulation Software, Embedded Systems, Functional Testing, Computer Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Estimation, Probability, Model Evaluation, Engineering Calculations, Simulation and Simulation Software, Numerical Analysis, Mathematical Modeling, Performance Tuning, Applied Mathematics, Computational Thinking, Control Systems
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Calculus, Applied Mathematics, Derivatives, Engineering Calculations, Advanced Mathematics, Estimation
Mixed · Course · 1 - 4 Weeks
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronic Components, Electronics, Electrical Engineering, Materials science, Physics
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Physics, Chemistry, Engineering Calculations, Molecular, Cellular, and Microbiology, Mathematical Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Node.JS, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Javascript, Object Oriented Programming (OOP), Systems Design, Maintainability, Middleware, Performance Tuning, Real-Time Operating Systems, Scalability, Debugging
Intermediate · Course · 1 - 3 Months