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.

The Hong Kong University of Science and Technology
Skills you'll gain: HVAC, Cleanliness, Pollution Prevention, Environmental Monitoring, Laboratory Testing, Occupational Health, Safety Standards, Environmental Engineering, Thermal Management, Respiratory Care, Mechanical Ventilation, Infectious Diseases, Public Health and Disease Prevention
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Scientific Methods, Research, General Science and Research, Critical Thinking, Probability, Research Design, Bayesian Statistics, Probability & Statistics, Experimentation, Investigation, Decision Making
Beginner · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Ancient History, Art History, Aesthetics, Culture, World History, Liberal Arts, Cultural Diversity, Storytelling, Writing
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Services, Event-Driven Programming, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Fundação Lemann
Skills you'll gain: Blended Learning, Pedagogy, Digital pedagogy, Differentiated Instruction, Student Engagement, Data Analysis, Instructional Strategies, Mathematics Education, Learning Strategies, Performance Analysis, Performance Reporting
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Simulations, Mathematical Modeling, Electrical Engineering, Electronic Components, Matlab, Electrical Systems, Engineering Calculations, Laboratory Testing, Estimation
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Data Integration, Vector Databases, Mathematical Theory & Analysis, Advanced Mathematics, Applied Mathematics, Mathematical Modeling, Spatial Data Analysis, Geometry, Physics
Intermediate · Course · 1 - 4 Weeks

Sapienza University of Rome
Skills you'll gain: Ancient History, Scientific Methods, Research, Research Methodologies, Investigation, Spatial Analysis, Art History, Geographic Information Systems, World History, Cultural Responsiveness, Data Integration, Culture, Information Systems
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, Art History, World History, Culture, Cultural Diversity, Anthropology
Beginner · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Climate Change Adaptation, Water Resources, Water Sustainability, Sustainable Development, Environmental Policy, Water Resource Management, Environmental Science, Environment, Natural Resource Management, Socioeconomics, Vulnerability, Governance
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Intrusion Detection and Prevention, Security Controls, Continuous Monitoring, Incident Response, Vulnerability Assessments, Software Development Life Cycle, Cybersecurity, Computer Security Incident Management, Cyber Security Policies, Cyber Security Assessment, Information Assurance, Network Security, Risk Management Framework, Cloud Security, Authentications
Beginner · Course · 1 - 4 Weeks

IIT Bombay
Skills you'll gain: Internet Of Things, Network Protocols, Wireless Networks, Emerging Technologies, Data Analysis, Communication Systems, Digital Signal Processing, Scikit Learn (Machine Learning Library), Regression Analysis, Pandas (Python Package), Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks