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 Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Energy and Utilities, Sustainable Development, Corporate Sustainability, Strategic Leadership, Product Engineering, Environmental Management Systems, Environmental Engineering, Waste Minimization, Packaging and Labeling, Product Lifecycle Management, Climate Change Mitigation, Emerging Technologies
Build toward a degree
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Environmental Issue, Social Justice, Sustainable Development, World History, Climate Change Adaptation, Liberal Arts, Culture, Ethical Standards And Conduct, Advocacy, Climate Change Mitigation, Anthropology
Beginner · Course · 1 - 3 Months

Yad Vashem
Skills you'll gain: Art History, European History, World History, Social Justice, Political Sciences, Cultural Diversity, Psychology, Liberal Arts, Policy Analysis, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Remote Access Systems, Linux, Web Applications, Internet Of Things, Embedded Systems, Application Programming Interface (API), Robotics, Linux Commands, Command-Line Interface, Electronics, Control Systems, Electronic Systems, System Configuration, Python Programming, Hardware Troubleshooting, Software Installation, Peripheral Devices
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Electronics, Reliability, Electronic Components, Electronic Systems, Computer Hardware, Thermal Management, Engineering Design Process, Mechanical Design, Technology Roadmaps, Electrical Systems, Manufacturing Processes
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Anthropic Claude, Responsible AI, OpenAI API, Cloud Deployment, Cloud Applications, LLM Application, OpenAI, HTML and CSS, ChatGPT, Application Deployment, Mobile Development, API Gateway, Web Applications, Generative AI, Model Deployment, Cloud Security, Data Ethics, Debugging, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

Universitat Politècnica de València
Skills you'll gain: Integral Calculus, Calculus, General Mathematics, Engineering Calculations, Trigonometry
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Disabilities, Workplace inclusivity, Emergency Response, Professionalism, Risk Management, De-escalation Techniques, Communication Strategies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Web Design, React.js, Responsive Web Design, User Centered Design, Javascript
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Usability, Javascript, Responsive Web Design, Web Content
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Large Language Modeling, Responsible AI, AI Security, Artificial Intelligence, Software Development Tools, Software Testing, Test Automation, Software Development, DevSecOps, CI/CD, Natural Language Processing, Prototyping, Software Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Deep Learning
Intermediate · Specialization · 1 - 3 Months
Rutgers the State University of New Jersey
Skills you'll gain: Manufacturing Processes, Product Testing, Regulatory Compliance, Personal Care, Product Development, Laboratory Testing, Workforce Development, Packaging and Labeling, New Product Development, Clinical Trials, Quality Control, Entrepreneurship, Consumer Behaviour, Chemistry, Business
Beginner · Course · 1 - 3 Months