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.

Politecnico di Milano
Skills you'll gain: Blended Learning, Pedagogy, Large Language Modeling, Digital pedagogy, LLM Application, Instructional Design, Learning Strategies, Education Software and Technology, Interactive Learning, Educational Materials, AI Personalization, Innovation, Differentiated Instruction, Lifelong Learning, AI Enablement, Human Learning, Solution Design, Adult Learning Principles, Prompt Engineering Tools, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Marketing Communications, Brand Marketing, Advertising, Regulatory Compliance, Market Opportunities, Environmental Issue, Ethical Standards And Conduct, Digital Marketing, Engineering Management, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Typography, Marketing Materials, Marketing Design, Graphic Design, Marketing Collateral, Layout Design, User Feedback, Marketing, Brochures, Digital Design, Storyboarding, Adobe Photoshop, Adobe Illustrator, Constructive Feedback, Design Elements And Principles, Image Quality, File Management, Color Theory
Beginner · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Systems Architecture, Web Services, Service Oriented Architecture, Restful API, Communication Strategies
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Copywriting, Social Media Marketing, Content Marketing, Driving engagement, Email Marketing, Brand Management, Marketing, Advertising Campaigns, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Emergency and Intensive Care, Cardiopulmonary Resuscitation (CPR), Automated External Defibrillator, Emergency Medicine, First Aid, Patient Advocacy, Acute Care, Mental and Behavioral Health, Nephrology, Pharmacology, Patient Communication, Patient Evaluation, Clinical Assessment, Physiology, Substance Abuse, Anatomy
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Manufacturing Processes, Semiconductors, Mechanical Engineering, Materials science, Thermal Management, Failure Analysis, Reliability, Engineering Calculations
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Acceptance Testing, Test Planning, Unit Testing, Functional Testing, Test Automation, JUnit, Java Programming
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Internet Of Things, Cybersecurity, Cyber Security Strategy, Cyber Security Policies, Mobile Security, Security Awareness, Wireless Networks, Information Privacy, Data Security, Emerging Technologies, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, System Monitoring, Network Protocols, Security Controls, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Network Switches, Real Time Data, Authentications, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Social Justice, Sustainable Systems, Geographic Information Systems, Organizational Change, Sustainable Business, Environmental Policy, Environmental Regulations, Geospatial Mapping, Culture Transformation, Organizational Effectiveness, Environmental Resource Management, Sustainability Reporting, Spatial Data Analysis, Environmental Issue, Leadership, Social Determinants Of Health, Collaboration, Financial Analysis, Critical Thinking
Beginner · Specialization · 3 - 6 Months