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 Colorado Boulder
Skills you'll gain: Cloud Services, OSI Models, Network Architecture, Network Security, Cloud Computing, Cloud Infrastructure, Cloud Computing Architecture, TCP/IP, Virtual Networking, Software-Defined Networking, Network Protocols, General Networking, Wide Area Networks, Network Routers, Network Troubleshooting, Linux, Kubernetes, Network Infrastructure, Network Switches, Terraform
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
École Polytechnique
Skills you'll gain: Physics, Physical Science, General Science and Research, Engineering, Scientific, and Technical Instruments, Scientific Methods, electromagnetics, Simulation and Simulation Software
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Business Strategy, Strategic Thinking, Customer Analysis, Strategic Planning, Organizational Strategy, Strategic Marketing, Growth Strategies, Competitive Analysis, Business Planning, Market Analysis, Strategic Decision-Making, Value Propositions, Analysis, Innovation
Beginner · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Matplotlib, Software Testing, Docker (Software), Development Environment, Unit Testing, Test Automation, Continuous Integration, Data Manipulation, Pandas (Python Package), Scripting, Data Modeling, DevOps, Programming Principles, Python Programming, Data Structures, Computer Programming
Beginner · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Closing (Sales), Cold Calling, Customer Analysis, Sales Process, Target Market, Marketing, Market Analysis, Marketing Strategies, Competitive Analysis, Marketing Planning, Business Marketing, Sales, Growth Strategies, Market Research, Sales Prospecting, Business Development, New Business Development, A/B Testing, Entrepreneurship, Digital Marketing
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Economics, Behavioral Economics, Supply And Demand, Policy Analysis, Market Dynamics, Business Economics, Public Policies, Socioeconomics, Consumer Behaviour, Political Sciences, Decision Making
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Employee Engagement, Stress Management, Employee Retention, Mindfulness, Workplace inclusivity, Productivity, Emotional Intelligence, Relationship Building, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Deep Teaching Solutions
Skills you'll gain: Critical Thinking, Cognitive flexibility, Decision Making, Emotional Intelligence, Mental Concentration, Behavioral Economics, ChatGPT, Strategic Thinking, Artificial Intelligence, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Responsible AI, Gemini, Claude Code, Artificial Intelligence, Communication, Social Skills, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Game Design, Persuasive Communication, Driving engagement, Case Studies, Culture, Augmented and Virtual Reality (AR/VR), Research, Simulations, Psychology, Program Evaluation, Emerging Technologies, Social Sciences
Mixed · Course · 1 - 3 Months

Skills you'll gain: Patient Communication, English Language, Verbal Communication Skills, Interpersonal Communications, Oral Comprehension, Social Skills, Vocabulary, Language Learning, Professional Development, Active Listening, Communication, Grammar, Personal Development, Relationship Building, Self-Awareness
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Experience Design, Adobe XD, Responsive Web Design, Storyboarding, Information Architecture, Wireframing, User Story, UI/UX Research, User Research, Usability Testing, Figma (Design Software), Design Reviews, User Interface and User Experience (UI/UX) Design, Web Design, User Centered Design, Ideation, Design Thinking, Presentations, Persona (User Experience), Research Design
Beginner · Professional Certificate · 3 - 6 Months