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.

Arizona State University
Skills you'll gain: Chemistry, Electrical Systems, Chemical Engineering, Energy and Utilities, Electronics, Materials science, Market Trend, Manufacturing Processes
Beginner · Course · 1 - 4 Weeks

University of Florida
Skills you'll gain: Climate Change Mitigation, Land Management, Sustainable Development, Environment and Resource Management, Natural Resource Management, Environment, Sustainability Standards, Environmental Science, Research, Biology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Patch Management, Cyber Risk, Continuous Monitoring, Threat Detection, Cyber Threat Hunting, Application Security, Security Controls, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Network Security, Cyber Security Strategy, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Environmental Engineering, Sustainable Development, Health Equity, Architectural Design, Water Resources, Sustainable Design, Community Development, Environmental Issue
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Scientific Methods, Chemistry, Laboratory Research, Systems Of Measurement, Physics, Materials science, Analytical Chemistry
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Risk Management, Mathematical Modeling, Predictive Modeling, Financial Modeling, Simulation and Simulation Software, Operations Research, Probability Distribution, Data-Driven Decision-Making, Statistical Hypothesis Testing, Statistical Analysis, Microsoft Excel, Excel Formulas
Mixed · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Arithmetic, Geometry, Mathematical Theory & Analysis, Advanced Mathematics, Combinatorics, Algebra, General Mathematics, Applied Mathematics, Biology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lifelong Learning, Curiosity, Willingness To Learn, Education Software and Technology, Adaptability, Growth Mindedness, Digital pedagogy, Open Mindset, Professional Development, Mental Concentration, Personal Development, Persistence, Self-Motivation, Multitasking, Learning Styles, Productivity, AI Personalization, Time Management
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Blockchain, Digital Assets, Portfolio Risk, Portfolio Management, Cryptography, Investments, Market Dynamics, Financial Market, Equities, Securities (Finance), Transaction Processing, Financial Regulation, Cyber Risk, Production Process
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: European History, World History, Public History, Ethical Standards And Conduct, Social Justice, Cultural Diversity, Political Sciences, Diplomacy, Governance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Technical Communication, Network Troubleshooting, Performance Tuning, Problem Management, Technical Documentation, Technical Support, System Monitoring, Incident Management, Application Performance Management, Continuous Integration, Continuous Monitoring, OS Process Management
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Culture, Cultural Diversity, Intercultural Competence, Liberal Arts, Language Learning, Research
Beginner · Course · 1 - 4 Weeks