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 Virginia
Skills you'll gain: Usability Testing, Continuous Delivery, Product Testing, Agile Product Development, DevOps, Agile Methodology, User Research, Prototyping, Product Development, Lean Methodologies, Innovation
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Business Systems Analysis, Systems Analysis, Requirements Analysis, Business Requirements, Business Analysis, Business Systems, Process Flow Diagrams, User Requirements Documents, Data Flow Diagrams (DFDs), Requirements Management, Diagram Design, Feasibility Studies
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Convolutional Neural Networks, Decision Tree Learning, Computer Vision, Logistic Regression, Supervised Learning, Natural Language Processing, Random Forest Algorithm, Data Science, Predictive Analytics, Algorithms
Intermediate · Course · 1 - 3 Months

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, Software Design, Interactive Design, Development Environment, Software Installation, User Centered Design
Mixed · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Experimentation, Physics, Engineering, Scientific, and Technical Instruments, Science and Research, Laboratory Equipment, General Science and Research, Physical Science
Beginner · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Customer Service, Problem Solving, Customer Support, Greeting Customers, Help Desk Support, Customer and Client Support, Critical Thinking and Problem Solving, Technical Support and Services, Customer Relationship Management, Interpersonal Communications, Communication, Customer Complaint Resolution, Empathy, Customer Engagement, Customer experience improvement, Process Management
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Sustainable Business, Global Marketing, Virtual Teams, Business Ethics, Diversity Marketing, Corporate Sustainability, Sustainable Development, Cultural Sensitivity, Environmental Social And Corporate Governance (ESG), Workplace inclusivity, Intercultural Competence, Consumer Behaviour, Environmental Issue, Market Analysis, Solution Design, Diversity Awareness, Cultural Responsiveness, Culture, Cultural Diversity, Brand Strategy
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Engineering Design Process, Engineering Analysis, Mechanical Design, Simulation and Simulation Software, Structural Analysis, Mechanical Engineering, Numerical Analysis, Finite Element Methods, Materials science
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Music History, Music, Classical Music, Music Theory, Instrumental Music, Musical Composition, World Music
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Negotiation, Conflict Management, Teamwork, Workplace inclusivity, Diversity and Inclusion, Stress Management, Communication, Emotional Intelligence, Collaboration, Team Management, Team Leadership, Productivity, Social Skills, Communication Strategies, Ethical Standards And Conduct, Workplace Bullying Intervention, Compliance Management, Team Performance Management, Strategic Prioritization, Dealing With Ambiguity
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Programming Principles, Artificial Intelligence, Computer Programming, Scientific Visualization, Game Design
Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Governance, Marketing Analytics, Data Visualization, Business Analytics, Data Literacy, Accounting, Infographics, Data Management, Data Collection, Data Quality, Data Visualization Software, Internal Controls, Classification Algorithms, Business Analysis, AI Personalization, Analytics, Data Analysis, Power BI, Machine Learning
Build toward a degree
Beginner · Specialization · 3 - 6 Months