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.

Universiteit Leiden
Skills you'll gain: Public Safety and National Security, Research, Research Methodologies, Policy Analysis, Media and Communications, Crisis Intervention, World History, International Relations, Political Sciences, Public Policies, Trend Analysis, Social Impact, Psychology, Case Studies
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Vibrations, Mechanics, Torque (Physics), Global Positioning Systems, Linear Algebra, Numerical Analysis, Simulations, Engineering Analysis, Trigonometry, Mathematical Modeling, Differential Equations, Simulation and Simulation Software, Engineering Calculations, Applied Mathematics, Verification And Validation, Engineering, Advanced Mathematics, Algorithms, Physics
Advanced · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Research, Research Methodologies, Climate Change Adaptation, Qualitative Research, Social Impact, Environmental Monitoring, Community Development, Cultural Sensitivity, Sustainable Development, Environmental Issue, Intercultural Competence, Socioeconomics, Environmental Policy, Natural Resource Management, Climate Change Mitigation, Data Collection, Vulnerability, Governance, Fundraising
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Graph Theory, Network Analysis, Social Network Analysis, Combinatorics, Network Model, Mathematical Modeling, Data Structures, Transportation Operations, Image Analysis, Algorithms, Theoretical Computer Science, Artificial Intelligence and Machine Learning (AI/ML), Computational Thinking, Problem Solving
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Animation and Game Design, Game Design, Animations, Prototyping, Conceptual Design, Video Game Development, Storytelling, Software Design Documents, Ideation, Visualization (Computer Graphics), Storyboarding, Design, Virtual Environment, Technical Design, Design Elements And Principles, Usability Testing, Creative Design, Design Strategies, Interactive Design, Graphic and Visual Design
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Development, Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Energy and Utilities, Geospatial Information and Technology, Environmental Science, Geographic Information Systems, Oil and Gas, Sustainable Systems, Physical Science, Environment, Laboratory Experience, Materials science, Hazard Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Graphing, Data Analysis, R (Software), General Mathematics, Mathematical Modeling, Algebra, Applied Mathematics, Calculus
Beginner · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Sciences, Sociology, Socioeconomics, Economics, Policy, and Social Studies, Game Theory, Behavioral Economics, Mathematical Modeling, Statistical Modeling, Markov Model, Bayesian Statistics, Probability, Simulations
Advanced · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Natural Language Processing, Digital Signal Processing, Data Ethics, Tensorflow, Responsible AI, Augmented Reality, Artificial Intelligence, AI Personalization, Music, Multimedia, Music Performance, Deep Learning, Information Privacy, Creativity
Beginner · Course · 1 - 3 Months

Technion - Israel Institute of Technology
Skills you'll gain: Materials science, Semiconductors, Innovation, Emerging Technologies, Biomedical Engineering, Chemistry, Electronics, Electronics Engineering, Laboratory Testing, Analytical Testing, Chemical Engineering
Mixed · Course · 1 - 3 Months

Eindhoven University of Technology
Skills you'll gain: Ethical Standards And Conduct, Engineering Design Process, Business Ethics, Risking, Engineering Practices, Research, Value Engineering, Social Impact
Beginner · Course · 1 - 3 Months