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.

Case Western Reserve University
Skills you'll gain: Leadership Development, Initiative and Leadership, Leadership, Organizational Change, Organizational Development, Organizational Leadership, Empowerment, Culture Transformation, Strategic Leadership, Case Studies, Business Transformation, Change Management, Stakeholder Engagement, Employee Engagement, Storytelling, Interviewing Skills
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, Power Electronics, Electronic Components, Electronic Systems, Electrical Systems, Electrical Engineering, Electric Power Systems, Thermal Management, Simulation and Simulation Software
Intermediate · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Emergency Response, Crisis Intervention, Hazard Communication (HazCom), Media and Communications, Interpersonal Communications, Persuasive Communication, Risk Management, Public Health and Disease Prevention, Public Health, Health Policy, Patient Education And Counseling, Cultural Sensitivity
Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Social Studies, Culture, World History, Timelines, Social Sciences, Sociology, Anthropology, Cultural Diversity, European History, Ancient History, Art History, Public History, International Relations, Cultural Sensitivity, Conflict Management, Community Development
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Environmental Monitoring, Global Positioning Systems, Environmental Science, Environment, General Science and Research, Physical Science, Climate Change Programs, Geographic Information Systems, Research, Science and Research, Risk Control, Physics, Mechanics, Analysis, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Unix Commands, Bioinformatics, Unix, Data Management, Command-Line Interface, Linux Commands, Molecular Biology, Big Data, File Management, Data Analysis Software, Data Processing
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Event Management, Event Marketing, Event Planning, Logistics Management, Hospitality, Logistics, Marketing Budgets, Hospitality Management, Planning, Operations Management, Budgeting, Promotional Strategies, Vendor Management, Coordination
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Structural Analysis, Engineering Analysis, Engineering Calculations, Finite Element Methods, Civil Engineering, Mathematical Modeling, Numerical Analysis, Python Programming, NumPy, Linear Algebra, Simulation and Simulation Software, Plot (Graphics)
Advanced · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Time Management, Scheduling, Goal Setting, Prioritization, Productivity, Delegation Skills, Personal Development, Organizational Skills, Planning, Self-Awareness, Overcoming Obstacles, Expectation Management, Communication
Mixed · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Configuration Management, Cybersecurity, Computer Security Awareness Training, Data Security, Security Controls, Security Management, Event Monitoring, Encryption, Network Security, Continuous Monitoring, Cyber Security Policies, Security Strategy, System Monitoring, General Networking, Cryptography, Data Management
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Magnetic Resonance Imaging, Medical Imaging, Image Quality, Digital Signal Processing, Medical Equipment and Technology
Intermediate · Course · 1 - 3 Months