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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Public Works, Environmental Engineering, Water Resource Management, Civil Engineering, Environmental Science, Sustainable Systems, Systems Thinking, Sustainable Technologies, Case Studies, Community Development, Governance, Data Collection
Intermediate · Course · 1 - 3 Months

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

University of Colorado Boulder
Skills you'll gain: Payment Systems, Generally Accepted Accounting Principles (GAAP), Accounting Systems, Financial Reporting, Derivatives, Price Negotiation
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Interviewing Skills, Leadership, Business Leadership, Leadership Development, Leadership and Management, Professional Development, Team Building, Recruitment, Team Management, Talent Management, Self-Awareness, Coaching, Communication
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Thinking, Systems Design, System Design and Implementation, Systems Analysis, Model Evaluation, Software Design, Computer Architecture, Program Development, Software Quality (SQA/SQC), Logical Reasoning
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, CI/CD, Continuous Integration, DevOps, Continuous Delivery, Build Tools, Software Development, Docker (Software), Application Deployment, Software Installation
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Emerging Technologies, Forecasting, Critical Thinking, Augmented and Virtual Reality (AR/VR), Strategic Thinking, Technology Strategies, Strategic Leadership, AI Enablement, Business Transformation, Data-Driven Decision-Making, Systems Thinking, Innovation, Storytelling, Thought Leadership, Scenario Testing, Decision Making, Artificial Intelligence, Virtual Reality, Probability & Statistics
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Internet Of Things, Wireless Networks, General Networking, Cybersecurity, IBM Cloud, Cloud Platforms, Cryptography, Automation, Emerging Technologies, Software-Defined Networking, Market Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Earned Value Management, Project Schedules, Procurement, Cost Management, Return On Investment, Spreadsheet Software, Microsoft Excel, Financial Analysis, Project Performance, Project Estimation, Microsoft 365, Project Finance, Investment Management, Variance Analysis, Forecasting, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Communication Planning, Project Documentation, Document Management, Stakeholder Communications, Communication Strategies, Communication
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Strategic Leadership, Leadership Development, Team Leadership, Business Leadership, Team Management, Leadership and Management, Team Building, Organizational Strategy, Strategic Decision-Making, Business Planning, Business Strategy, Leadership, Growth Strategies, Market Opportunities, Business Priorities, Organizational Structure, Change Management, Process Improvement and Optimization, Operational Efficiency, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Test Case, Software Testing, Cascading Style Sheets (CSS), Application Frameworks, Browser Compatibility, Javascript and jQuery, Web Scraping, Automation, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months