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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development, UI Components, Usability, Typography
Intermediate · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Health Systems, Maternal Health, Child Health, Public Health, Health Policy, Infectious Diseases, Health Equity, Health Disparities, Public Health and Disease Prevention, Water Resources, Health Promotion, Health Education, Social Determinants Of Health, Epidemiology, Community Health, Environmental Policy, Sanitation, Nutrition and Diet, Climate Change Programs, Chronic Diseases
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Digital pedagogy
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Social Sciences, Data Ethics, Databases, Artificial Intelligence, Research, Simulations, Data Processing, Big Data, Systems Thinking, Social Studies, Trend Analysis, Data Science, AI Enablement, Research Methodologies, Agentic systems
Beginner · Specialization · 3 - 6 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Human Development, Psychology, Social Sciences, Behavioral Health, Mental Health, Sociology, Child Development, Biology, Scientific Methods, Research
Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: TCP/IP, Network Protocols, Open Shortest Path First (OSPF), Network Routing, Cybersecurity, Network Security, General Networking, Intrusion Detection and Prevention, File Transfer Protocol (FTP), Dynamic Host Configuration Protocol (DHCP), Network Architecture, System Configuration, Network Analysis
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Waste Minimization, Environmental Engineering, Sustainable Engineering, Environmental Regulations, Civil Engineering, Construction, Radiation Protection, Sustainable Technologies, Thermal Management, Land Management, Environmental Resource Management, Process Engineering, Environmental Laws, Chemical Engineering, Environmental Policy, Pollution Prevention, Transportation Operations, Energy and Utilities, Environmental Science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Manipulation, Web Scraping, R Programming, Data Analysis, Data Science, Data Structures, Data Import/Export, Exploratory Data Analysis, Programming Principles, Jupyter, Integrated Development Environments
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Physics, Laboratory Research, Laboratory Experience, Materials science, Experimentation, Chemistry, Engineering, Scientific, and Technical Instruments, General Science and Research, Laboratory Equipment, electromagnetics
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Medical Terminology, Human Musculoskeletal System, Orthopedics, Medical Records, Electronic Medical Record System, Urology, Anatomy, Physiology
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Materials science, Electrical Engineering, Electronics, Electronics Engineering, Estimation
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Architectural Drawing, Blueprint Reading, Structural Engineering, Structural Analysis, Engineering Drawings, Building Design, Engineering Documentation, Architectural Engineering, Building Codes, Civil Engineering, Construction, Engineering Practices, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks