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 Cambridge
Skills you'll gain: Childhood Education and Development, Human Learning, Child Development, Psychology, Empathy & Emotional Intelligence, Sensory Systems Analysis, Teaching, Decision Making, Learning Theory, Instructional Strategies, K-12 pedagogy, Pedagogy, Learning Strategies, Developmental Disabilities, Empathy, Neurology, Magnetic Resonance Imaging, Electrophysiology, Human Development, Decision Intelligence
Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Digital Signal Processing, Image Quality, Image Analysis, Medical Imaging, Telecommunications, Communication Systems, Matlab, Mathematical Modeling, Color Theory, Applied Mathematics, Estimation, Model Optimization
Mixed · Course · 1 - 3 Months

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

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Sustainable Development, Water Sustainability, Land Development, Hydrology, Water Resources, Sustainable Design, Community Development, Community Health, Environment, Public Health
Intermediate · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Critical Thinking, Collaboration, Collaborative Software, Learning Strategies, Personal Development, digital literacy, Communication, Self-Awareness, Digital Communications
Beginner · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Vibrations, Mechanics, Mathematical Modeling, Engineering, Civil Engineering
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Sociology, Culture, Social Sciences, Cultural Diversity, Research, Research Methodologies, Cultural Responsiveness, Qualitative Research, Diversity Awareness, Cultural Sensitivity, Social Studies, Social Justice
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Pollution Prevention, Economics, Policy, and Social Studies, Oil and Gas, Mitigation, Policy Analysis, Economics, Sustainable Technologies, Petroleum Industry, Environmental Policy, Sustainable Systems, Environment and Resource Management, Environmental Engineering, Environmental Science
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Engineering Management, Stakeholder Analysis, Project Scoping, Team Leadership, Team Management, Scope Management, Team Performance Management, Project Management, Stakeholder Management, Leadership and Management, Team Building, Communication Strategies, Resource Management, Stakeholder Engagement, Stakeholder Communications, Risk Management, Agile Project Management, Agile Methodology, Business Communication
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Language Competency, English Language, Oral Comprehension, Grammar, Literacy, Language Learning, Vocabulary, Community Health, Nutrition and Diet, Health Education, Health Promotion, Food and Beverage
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Physics, Mechanics, electromagnetics, Vibrations, Materials science, Applied Mathematics, Physical Science, Mathematical Modeling, Advanced Mathematics, Calculus, Differential Equations, Trigonometry, Linear Algebra, Integral Calculus, Problem Solving
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Numerical Analysis, Advanced Mathematics, Mathematical Theory & Analysis, Mathematical Modeling, Mathematical Software, Data Analysis, Probability, Geometry, Applied Mathematics, Mechanics, Graphing, Scientific Visualization, Spatial Data Analysis, Estimation, Probability & Statistics, Exploratory Data Analysis, Physics
Intermediate · Specialization · 3 - 6 Months