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.

Dartmouth College
Skills you'll gain: Liberal Arts, Ethical Standards And Conduct, Research, Social Justice, Cultural Diversity, Culture, Writing, Political Sciences, Advocacy
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Estimation, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Control Systems, Mathematical Software, Simulation and Simulation Software, Model Evaluation, Derivatives, Calculus, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cinematography, Videography, Photography, Video Production, Video Editing, Design Reviews, Post-Production, Peer Review, Creativity
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Software Design, Linux, System Design and Implementation, OS Process Management, C (Programming Language), Verification And Validation, Mathematical Modeling, Algorithms, Applied Mathematics
Advanced · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutritional Assessment, Sports Medicine, Nutrition Education, Physiology, Kinesiology, Endocrinology, Health And Wellness Coaching, Vital Signs, Stress Management, Biochemistry, Systems Of Measurement, Biology
Intermediate · Specialization · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Programming Principles, Software Design Patterns, Computer Programming, Algorithms, C (Programming Language), Graph Theory, Debugging, Artificial Intelligence, Data Structures, Game Design, Software Documentation
Beginner · Specialization · 3 - 6 Months

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

Imperial College London
Skills you'll gain: Health Policy, Climate Change Adaptation, Policy Analysis, Environmental Policy, Social Determinants Of Health, Health Systems, Environmental Issue, Sustainable Development, Climate Change Mitigation, Policy Development, Public Health, Environmental Science, International Relations, Governance, Research
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Building Codes, Electrical Wiring, Construction Inspection, HVAC, Building Design, Basic Electrical Systems, Electrical Power, Engineering Calculations, Architectural Design, System Requirements, Electrical Safety, Mechanical Design, Energy and Utilities, Architectural Engineering, Land Development, Semiconductors, Cost Benefit Analysis, Design Reviews, Submittals (Construction)
Beginner · Specialization · 3 - 6 Months

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

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

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Governance, Risk Management, Vendor Management, Governance Risk Management and Compliance, Security Awareness, Security Strategy, Business Risk Management, Cyber Security Policies, Compliance Management, Business Continuity, Personally Identifiable Information, Data Security
Intermediate · Course · 1 - 4 Weeks