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.

Imperial College London
Skills you'll gain: Advocacy, Social Determinants Of Health, Community Health, Public Health, Health Policy, Health Systems, Health Equity, Health Care, International Relations, Socioeconomics, Governance, Research, Political Sciences, Economics
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Project Scoping, Cost Management, Scope Management, Project Estimation, Project Schedules, Earned Value Management, Scheduling, Work Breakdown Structure, Requirements Management, Timelines, Change Management, Budget Management, Project Management, Planning, Project Documentation
Beginner · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Mechanics, Mechanical Engineering, Engineering Analysis, Torque (Physics), Vibrations, Engineering, Physics, Calculus, Mathematical Modeling
Mixed · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Campaigns, Marketing Strategies, Brand Management, Campaign Management, Marketing, Instagram, Content Creation, Performance Analysis, Email Marketing, Marketing Analytics, Web Analytics, Digital Marketing, Marketing Psychology, Customer Relationship Management, UI/UX Strategy, Digital Advertising, Marketing Strategy and Techniques
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Test Case, Java, Automation, Cascading Style Sheets (CSS), Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File Management, Control Panels, Productivity Software, Software Installation, Microsoft Windows, Organizational Skills, Office Procedures, Microsoft Office, Computer Literacy, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Javascript and jQuery, Animations, Debugging, UI Components, Event-Driven Programming, Responsive Web Design, Web Applications, Interactive Design, HTML and CSS, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Business Continuity, Contingency Planning, Threat Management, Incident Management, Incident Response, Risk Analysis, Key Performance Indicators (KPIs), Vulnerability Assessments, Business Risk Management, Crisis Management, Business Analysis, IT Infrastructure, Test Planning, Product Testing, Operational Risk, Business Process, Performance Metric, Cloud Computing, Information Technology Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Data Management, File Management, Unix Commands, Unix, Application Performance Management, Data Storage, Application Deployment, Data Security, Application Security, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Council on Foreign Relations
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Environmental Policy, Energy and Utilities, Social Justice, Environmental Issue, Environment, Sustainable Development, Policy Analysis, Public Policies, Emerging Technologies, International Relations, Sustainable Technologies, Diplomacy, Market Dynamics, Sustainable Systems, Environmental Regulations, Ethical Standards And Conduct, Governance, Tax
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Competitive Analysis, Market Research, Consumer Behaviour, Market Analysis, Target Market, Market Opportunities, User Research, Product Strategy, Customer Insights, Data Analysis, Data Collection, Data-Driven Decision-Making, Business Strategy, Innovation, Critical Thinking
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Capital Budgeting, Project Risk Management, Risk Analysis, Risk Management, Financial Analysis, Project Finance, Business Valuation, Depreciation, Cash Flows, Financial Modeling, Portfolio Management, Project Portfolio Management, Spreadsheet Software, Microsoft Excel, Corporate Tax
Build toward a degree
Intermediate · Course · 1 - 3 Months