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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Mobile Development, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Application Deployment, User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Microsoft Excel, Dashboard, Excel Formulas, Spreadsheet Software, Data Visualization, Excel Macros, Data Validation, Data Cleansing, Data Analysis Expressions (DAX), Data Modeling, Financial Forecasting, Data Management, Business Intelligence Software, Consolidation, Data Integrity, Data Entry, Business Reporting, Productivity Software, Financial Modeling, Loans
Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Differential Equations, Engineering Analysis, Mechanics, Applied Mathematics, Calculus, Linear Algebra, Mathematical Modeling, Physics, Geometry, Vibrations, Derivatives
Mixed · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Instrumental Music, Music Performance
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Liberal Arts, Political Sciences, Ancient History, Research, Social Studies, Education and Training, Culture, Ethical Standards And Conduct, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Role-Based Access Control (RBAC), TypeScript, Authentications, Server Side, Jest (JavaScript Testing Framework), Back-End Web Development, MongoDB, Web Development Tools, Web Applications, Unit Testing, Web Development, Database Management, Secure Coding, Application Programming Interface (API), Middleware, NoSQL, Javascript and jQuery, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Physics, Radiation Protection, Laboratory Equipment, Physical Science, Materials science, Laboratory Experience, Mechanics, Experimentation, Research, Applied Mathematics
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electrical Engineering, Electronics, Simulations, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Regulatory Requirements, Environmental Regulations, Regulation and Legal Compliance, Project Closure, Operations, Operational Analysis, Plant Operations and Management, Manufacturing Operations, Environment and Resource Management, Manufacturing and Production, Sustainable Development, Workforce Development, Environment Health And Safety, Prospecting and Qualification, Environment
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Shop Drawing, Structural Engineering, Building Codes, Architectural Drawing, Construction Inspection, Building Design, Construction Engineering, Structural Analysis, Construction, Manufacturing Processes, Construction Management, Civil Engineering, Engineering Tolerance, Engineering Practices, Architectural Engineering, Engineering Software, Engineering Design Process, Engineering Analysis, Product Testing, Engineering Calculations
Advanced · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Logical Reasoning, Artificial Intelligence, Computational Thinking, Simulations, Computer Science, Psychology, Science and Research, Scientific Methods
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Chemical Engineering, Chemistry, Thermal Management, Mechanical Engineering, Engineering Calculations, Engineering Analysis, Physics, Numerical Analysis, Simulation and Simulation Software, Mathematical Modeling
Advanced · Course · 1 - 4 Weeks