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 Copenhagen
Skills you'll gain: Epidemiology, Pulmonology, Pollution Prevention, Environmental Issue, Sustainable Development, Public Health, Respiration, Health Disparities, Public Health and Disease Prevention, Environmental Science, Environmental Monitoring, Health Assessment, Physiology, Chronic Diseases, Vulnerability
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Ethics, Law, Regulation, and Compliance, Data Security, Journalism, digital literacy, Emerging Technologies, Media and Communications, Internet Of Things, Algorithms, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Middleware, Application Frameworks, Web Applications, Model View Controller, Agile Software Development, Git (Version Control System), Software Engineering, Web Development, Software Development, User Interface (UI), Databases, Relational Databases, Ajax, Software Architecture, Ruby on Rails, Javascript, Network Protocols
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Demography, Occupational Health, Environmental Regulations, Social Justice, Environmental Issue, Public Health, Health Equity, Environment, Environmental Laws, Environmental Policy, Health Systems, Sustainable Development, Health Disparities, Systems Thinking, Environment Health And Safety, Occupational Safety and Health Administration (OSHA), Social Determinants Of Health, Climate Change Mitigation, Environmental Science, Epidemiology
Beginner · Specialization · 3 - 6 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 Colorado Boulder
Skills you'll gain: Organizational Leadership, Team Motivation, Diversity and Inclusion, Innovation, Team Leadership, Initiative and Leadership, Personal Development, Leadership, Resilience, Team Management, Team Performance Management, Industrial and Organizational Psychology, Business Leadership, Leadership and Management, Decision Making, Self-Awareness, Coaching, Change Management, Psychology, Storytelling
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Health Policy, Health Systems, Health Equity, Health Assessment, Health Care, Public Health, Health Disparities, Health Care Administration, Governance, Health Promotion, Policy Analysis, Social Determinants Of Health, Primary Care, Sustainable Development, Community Health, Program Evaluation, Research, Case Studies
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Paid media, Digital Media Strategy, Online Advertising, Campaign Management, Search Engine Marketing, Digital Advertising, Digital Marketing, Pay Per Click Advertising, Marketing Strategy and Techniques, Owned Media, Marketing Planning, Earned Media, Marketing Design, Analytics
Mixed · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Internal Communications, Communication Planning, Crisis Management, Corporate Communications, Strategic Communication, Cultural Sensitivity, Communication Strategies, Telecommuting, Branding, Business Ethics, Brand Management, Employee Engagement, Virtual Teams
Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Psychology, Human Learning, Learning Theory, Creativity, Human Development, Self-Awareness, Culture, Learning Styles, Language Disorders, Cognitive flexibility, Personal Development, Psychological Evaluations, Mental Health Diseases and Disorders, Intelligence Collection and Analysis, Emotional Intelligence, Diversity Awareness
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Systems Architecture, Software Design, Software Architecture, Verification And Validation, System Design and Implementation, Code Review, Real Time Data, Performance Testing, Linux, Performance Tuning, Computer Vision, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Video Editing, Adobe Premiere, Animations, Post-Production, Motion Graphics, Video Production, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks