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.

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, CI/CD, Authorization (Computing), Secure Coding, Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
Intermediate · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Statistical Methods, Model Evaluation, Markov Model, Statistical Analysis, Regression Analysis, R Programming, Data Analysis, Probability Distribution
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Immigration Law, Social Justice, Community Development, Conflict Management, Diversity Programs, Crisis Intervention, Social Determinants Of Health, Sustainable Development, Social Impact, International Relations, Community and Social Work, Legal Research, Sociology, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: UI/UX Research, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, AI Personalization, User Experience Design, Usability, Figma (Design Software), User Research, Web Content Accessibility Guidelines, Data Storytelling, Interactive Design, Generative AI, Design Strategies, UI Components, User Experience, User Centered Design, Wireframing, Adobe XD, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Performance Management, Mentorship, Budget Management, Team Management, Project Accounting, People Management, Leadership and Management, Recruitment, Leadership, Professional Development, Resource Management, Coaching, Compliance Management, Goal Setting, Clinical Research
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storage, OSI Models, General Networking, Wireless Networks, Data Storage Technologies, Local Area Networks, Networking Hardware, Computer Networking, Network Architecture, Network Infrastructure, TCP/IP, Network Protocols, Microsoft Windows, Network Troubleshooting, Network Security, System Configuration, Wide Area Networks, Hardware Architecture, Command-Line Interface
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language, Vocabulary
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Engagement, Customer Engagement, Consultative Approaches, Stakeholder Communications, Product Roadmaps, SAP Applications, Technical Consulting, Customer Insights, Process Analysis, Analysis, Project Management, Business Requirements, Presentations
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Color Theory, World Music, Disabilities, Social Justice, Performing Arts, Music, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Musical Composition, Cultural Diversity, Aesthetics, Music Theory, Art History, Pedagogy, Sociology, Creativity, Critical Thinking, Communication
Beginner · Specialization · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Design Elements And Principles, Graphic and Visual Design, Visual Design, Design, Media and Communications, Color Theory, Art History, Typography, Creativity, Psychology
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Systems Thinking, Analysis, General Science and Research, Materials science, Simulations, Biology, Mathematical Modeling, Physics, Psychology, Computational Logic, Mechanics, Applied Mathematics
Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Human Learning, Child Development, School Psychology, Pedagogy, Human Development, Higher Education, Learning Theory, Psychology, Social Sciences
Beginner · Course · 1 - 4 Weeks