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 System
Skills you'll gain: Systems Engineering, Verification And Validation, Team Management, Systems Architecture, Requirements Analysis, Requirements Elicitation, Scrum (Software Development), Systems Development Life Cycle, Teamwork, Configuration Management, Team Building, Agile Methodology, Scaled Agile Framework, Systems Development, Team Motivation, Organizational Leadership, Engineering Management, Risk Management, Waterfall Methodology, Leadership and Management
Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Case Studies, Target Audience, Business Communication, Communication Strategies, Communication, Analysis, English Language, Business Writing, Vocabulary, Writing, Grammar
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Quality Assurance, Software Engineering, Program Development, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Development Testing, Threat Modeling, Maintainability, Code Review, Application Deployment, Software Testing, Continuous Integration, CI/CD, Software Technical Review, Software Development Tools, Software Documentation
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Content Strategy, Competitive Analysis, Forecasting, Content Performance Analysis, Expectation Management, Relationship Management, Content Marketing, Content Creation, Marketing, A/B Testing, Key Performance Indicators (KPIs), Goal Setting, Internal Auditing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Molecular Biology, Biotechnology, Electrical Engineering, Engineering Design Process, Biochemistry, Cell Biology, Technical Design, Research Design, Biology, Computational Logic, Laboratory Experience, Technical Standard
Build toward a degree
Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Climate Change Mitigation, Climate Change Adaptation, Social Impact, Sustainable Development, Environmental Policy, Environment, Social Justice, Sustainable Business, Environmental Science, Advocacy, Education and Training
Beginner · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Stress Management, Mental Health, Resilience, Crisis Intervention, Mindfulness, Cognitive Behavioral Therapy, Behavior Management, Preventative Care, Empathy, Psychology, Social Skills
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Corporate Tax, Tax Preparation, Tax Returns, Income Tax, Partnership Accounting, Tax Laws, Tax Compliance, Property Accounting, Liquidation, Payroll Tax, Depreciation, Tax Planning, Tax, Payroll, Specialized Accounting, Strategic Decision-Making, Organizational Structure, Capital Expenditure, Mergers & Acquisitions, Cost Benefit Analysis
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Computer-Aided Design, Engineering Design Process, Product Engineering, Mechanical Design, Engineering, Simulation and Simulation Software, Conceptual Design, Sustainable Design, Creativity, Problem Solving, Prototyping, Innovation, Analytical Skills, Automation, Artificial Intelligence and Machine Learning (AI/ML), Emerging Technologies
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Large Language Modeling, Database Design, LLM Application, Software Documentation, Software Design Patterns, Collaborative Software, Software Testing, OpenAI API, Application Design, Generative AI, Database Management, AI Enablement, Code Review, Software Architecture, System Design and Implementation, Dependency Analysis, Software Engineering, Software Development, Machine Learning
Beginner · Professional Certificate · 1 - 3 Months

Yale University
Skills you'll gain: Sustainable Development, Environment and Resource Management, Social Justice, Liberal Arts, Cultural Diversity, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months