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.

Harvard Business Review
Skills you'll gain: Meeting Facilitation, Time Management, Productivity, Prioritization, Team Performance Management, Planning, Goal Setting, Stress Management, Decision Making
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Biotechnology, Food and Beverage, Sustainable Technologies, Scalability, Manufacturing and Production, Sustainability Standards, Process Engineering, Product Development, Global Marketing, Chemical Engineering, Innovation, Market Trend, Market Analysis, Microbiology, Workforce Development
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Psychiatry, Clinical Psychology, Mental Health, Cognitive Behavioral Therapy, Mental and Behavioral Health, Psychotherapy, Psychiatric Assessments, Cultural Diversity, Psychology, Pharmacotherapy, Pharmacology, Demography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Kubernetes, Prometheus (Software), Cloud-Native Computing, Containerization, DevOps, Scalability, System Monitoring, Application Deployment, CI/CD, Microservices, Grafana, Continuous Monitoring, Command-Line Interface, Data Persistence
Intermediate · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Engineering, Systems Of Measurement, Environment, Mathematical Modeling, Sustainable Technologies, Environmental Engineering, Environmental Science, Physics, Economics
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Game Design, Video Game Development, Storytelling, Software Design Documents, Ideation, Storyboarding, Writing, Creativity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Electronics Engineering, Electronic Systems, Electronic Hardware, Electronics, Machine Controls, Control Systems, Electrical Systems, Hardware Design, Programmable Logic Controllers, Equipment Design, Electronic Components
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: UI/UX Research, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, AI Personalization, User Experience Design, Usability, Figma (Design Software), User Research, Web Content Accessibility Guidelines, Data Storytelling, Interactive Design, Generative AI, Design Strategies, UI Components, User Experience, User Centered Design, Wireframing, Adobe XD, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Governance, Corporate Sustainability, Diversity and Inclusion, Corporate Strategy, Business Ethics, Crisis Management, Social Impact, Stakeholder Management, Strategic Communication, Stakeholder Engagement, Risk Management, Executive Recruitment, Succession Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, Security Awareness, Change Control, Cybersecurity, Security Management, Data Security, Safety and Security, Cyber Security Policies, Configuration Management, Data Ethics, Data Integrity, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Mediation, Conflict Management, Negotiation, Diplomacy, Labor Relations, Case Studies, Interactive Learning, Communication, Active Listening, International Relations
Intermediate · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Hospice, Parent Communication, Family Support, Caregiving, Patient Education and Support, Pain Management, Pediatrics, Patient Advocacy, Nursing and Patient Care, Patient-centered Care, Medical Social Work, Working With Children, Family Therapy, Psychosocial Assessments, Child Health, Patient Communication, Child Development, Social Work, Clinical Assessment, Stress Management
Beginner · Course · 1 - 3 Months