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.

University of Michigan
Skills you'll gain: Color Theory, Performing Arts, Design, Workplace inclusivity, Diversity Awareness, Cultural Sensitivity, Diversity Equity and Inclusion Initiatives, Detail Oriented, Creativity, Adaptability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Linear Algebra, Mathematical Modeling, Estimation, Matlab, Statistical Modeling, Applied Mathematics, Control Systems, Time Series Analysis and Forecasting, Simulation and Simulation Software, Probability & Statistics, System Implementation, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Income Statement, Business Valuation, Investment Banking, Balance Sheet, Capital Markets, Fundraising, Equities, Underwriting, Financial Modeling, Securities (Finance), Entrepreneurial Finance, Financial Forecasting, Go To Market Strategy, Financial Market, Corporate Finance, Market Dynamics, Market Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: HVAC, Building Services Engineering, Equipment Design, Thermal Management, Mechanical Engineering, Facility Repair And Maintenance, Mechanical Design, Energy and Utilities, Safety Standards, Engineering Calculations, Technical Standard
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, Color Matching
Beginner · Specialization · 1 - 3 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Music History, Music, Oral Expression, World History, Social Studies, Liberal Arts, Performing Arts, Art History, Cultural Diversity
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Liberal Arts, Storytelling, World History, Writing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Methods
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Public History, Writing, Storytelling, Writing and Editing, World History, European History, Oral Expression, Creativity
Beginner · Course · 1 - 3 Months