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.

Technical University of Munich (TUM)
Skills you'll gain: Global Positioning Systems, Digital Transformation, Environmental Monitoring, Aerospace Basic Quality System Standards, Manufacturing Processes, Image Analysis, Industrial Engineering, Cybersecurity, Spatial Data Analysis, Artificial Intelligence, Threat Detection, Automation, Cyber Risk, Telecommunications, Technology Strategies, Cloud Computing, Data Storage, Data Integration
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Semiconductors, Electronic Systems, Electronics, Electronic Components, Basic Electrical Systems, Electronics Engineering, Power Electronics, Engineering Design Process, Schematic Diagrams, Performance Testing, Computational Logic, System Design and Implementation, Mathematical Modeling, Physics, Engineering Analysis, Engineering Calculations
Beginner · Specialization · 1 - 3 Months

Nanyang Technological University, Singapore
Skills you'll gain: Systems Thinking, Case Studies, Network Analysis, Mathematical Modeling, Simulations, Social Sciences, Applied Mathematics, Policy Analysis, Agentic systems, Forecasting, Critical Thinking, Jupyter
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Dashboard, Data Visualization Software, Plotly, Data Visualization, Model Evaluation, Interactive Data Visualization, Data Transformation, Data Analysis, Data Cleansing, Data Manipulation, Pandas (Python Package), Data Presentation, Predictive Modeling, Data Science, Data Import/Export, Programming Principles, Web Scraping, Python Programming, Machine Learning
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Simulations, Microbiology, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Failure Analysis, Engineering Practices, Biomedical Engineering, Ethical Standards And Conduct, Social Impact, Engineering, Case Studies, Civil Engineering, Software Engineering, Safety Assurance
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Systems, Electrical Power, Torque (Physics), Electronic Components, Electric Power Systems, Basic Electrical Systems, Electrical Engineering, Control Systems, Low Voltage, High Voltage, Machine Controls, Semiconductors, Thermal Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Email Automation, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Application Programming Interface (API), Web Development Tools, JavaScript Frameworks, User Interface (UI) Design, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Carnegie Mellon University
Skills you'll gain: Mechanical Engineering, Chemical Engineering, Engineering, Materials science, Chemistry, Physics, Molecular, Cellular, and Microbiology, Mathematical Modeling, Physical Science, Biology
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, electromagnetics, Electrical Engineering, Electronic Systems, Electronics, Electronics Engineering, Electrical Systems, Computer-Aided Design, Technical Design, Control Systems, Simulation and Simulation Software, Design Specifications
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Climate Change Mitigation, Risk Management, Climate Change Adaptation, Mitigation, Business Risk Management, Risk Analysis, Environmental Policy, Environmental Issue, Community Development, Vulnerability, Policy Analysis, Economics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Graphic Design, Branding, Content Creation, Target Audience, Presentations, Customer Engagement, Social Media Content, Brand Awareness, Creativity, Social Media, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours