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 Pennsylvania
Skills you'll gain: Financial Statements, Operations Management, Operational Efficiency, Financial Statement Analysis, Return On Investment, Accrual Accounting, Human Capital, Process Analysis, Branding, Financial Accounting, Marketing, Process Management, People Management, Strategic Marketing, Capital Budgeting, Financial Reporting, Finance, Peer Review, Project Design, Corporate Finance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Deployment, Microservices, Cloud Computing Architecture, Kubernetes, CI/CD, Cloud Security, Network Architecture, Google App Engine, Google Cloud Platform, Service Level, Site Reliability Engineering, Restful API, Devops Tools, Cloud Storage, Application Design, Load Balancing, System Monitoring, Scalability
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Database Design, SQL, MySQL, PHP (Scripting Language), Relational Databases, JSON, jQuery, Hypertext Markup Language (HTML), Javascript and jQuery, Ajax, Databases, Data Modeling, Database Application, Database Development, Debugging, Web Applications, Object Oriented Programming (OOP), Web Development, Secure Coding, Javascript
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, Ruby (Programming Language), File Systems, Microsoft Windows, Computer Hardware, Technical Support, Interviewing Skills, Applicant Tracking Systems
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Bootstrap (Front-End Framework), HTML and CSS, User Interface (UI), Front-End Web Development, Responsive Web Design, JavaScript Frameworks, Web Design, Web Development, Web Applications, Hypertext Markup Language (HTML), Full-Stack Web Development, Cascading Style Sheets (CSS), Back-End Web Development, React.js
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Nurse Education, Nursing, Nursing and Patient Care, Health Systems, Health Disparities, Health Policy, Public Health, Nursing Administration, Nursing Practices, Health Care, Healthcare Industry Knowledge, Health Technology, Community Health, Health Care Procedure and Regulation
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Research, Literacy, Research Methodologies, Persuasive Communication, Report Writing, English Language, Grammar, Case Studies, Editing, Proofreading, Style Guides, Peer Review, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, File Management, Instrumental Music, Music Performance, Performing Arts, Self-Awareness, Media Production, Verbal Communication Skills, Automation, Editing, Technical Support, Creativity
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Finite Element Methods, Engineering Analysis, Mathematical Software, Numerical Analysis, Mathematical Modeling, Advanced Mathematics, C++ (Programming Language)
Intermediate · Course · 3 - 6 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance, Instrumental Music, Creativity, Coordination, Mental Concentration
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Statistical Methods, Bayesian Statistics, Statistics, Probability & Statistics, Data Storage Technologies, Analytical Skills, Exploratory Data Analysis, Data Storage, Database Software, Estimation, Data-Driven Decision-Making, Applied Machine Learning, Supervised Learning, Markov Model, Logistic Regression, Statistical Hypothesis Testing, Predictive Modeling, Simulations, Simulation and Simulation Software, Regression Testing
Intermediate · Specialization · 3 - 6 Months

Stanford University
Skills you'll gain: Physics, Timelines, Verification And Validation, Scientific Methods, Research, Experimentation, Mathematical Modeling, Systems Of Measurement
Beginner · Course · 1 - 3 Months