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.

Yale University
Skills you'll gain: Environmental Science, Environmental Issue, Sustainable Development, Intercultural Competence, Culture, Ethical Standards And Conduct, Cultural Diversity, Liberal Arts, Social Justice, Advocacy
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Applied Machine Learning, Machine Learning Algorithms, Model Evaluation, Statistical Methods, Algorithms, Data Structures, Data Visualization
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Prototyping, Mockups, Industrial Design, Product Development, Development Testing, Product Design, 3D Modeling, Usability Testing, Computer-Aided Design, User Feedback
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Storytelling, Data Presentation, Business Analytics, Data Visualization Software, Presentations, Data-Driven Decision-Making, Statistical Reporting, Data Analysis, Analysis, Technical Communication, Case Studies, Communication
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Change Control, Project Controls, Scope Management, Project Risk Management, Project Performance, Change Management, Project Management, Stakeholder Management, Management Reporting, Risk Analysis, Planning, Project Documentation, Stakeholder Communications, Strategic Communication, Leadership and Management, Business Risk Management, Communication
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Data Validation, Excel Formulas, Analysis, Mathematical Modeling, Complex Problem Solving, Data Management
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), Web Design, Maintainability, Layout Design, Cascading Style Sheets (CSS), Usability, Web Applications, Hypertext Markup Language (HTML), Color Theory, Animations, Creativity
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Demography, Occupational Health, Environmental Regulations, Social Justice, Climate Change Programs, Environmental Issue, Public Health, Health Equity, Environment, Environmental Laws, Environmental Policy, Health Systems, Sustainable Development, Health Disparities, Systems Thinking, Environment Health And Safety, Occupational Safety and Health Administration (OSHA), Social Determinants Of Health, Climate Change Mitigation, Environmental Science
Beginner · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Sustainable Technologies, Production Process, Environmental Engineering, Sustainable Development, Environmental Issue, Basic Electrical Systems, Energy and Utilities, Manufacturing Processes, Chemistry, Electrical Systems, Technology Roadmaps, Materials science, Electronics, Quality Assurance, Emerging Technologies, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Photography, Adobe Creative Cloud, Creativity
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Production Planning, Production Management, Manufacturing Operations, Lean Manufacturing, Inventory Control, Material Requirements Planning, Operations Management, Resource Planning, Inventory Management System, Scheduling, Capacity Planning, Supply Chain Systems, Forecasting, Enterprise Resource Planning
Intermediate · Course · 1 - 3 Months

EDUCBA
Beginner · Course · 1 - 4 Weeks