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.

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Advanced Mathematics, Logical Reasoning, General Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Mathematical Modeling, Visualization (Computer Graphics), Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Human Centered Design, Problem Solving, AI Security, AI Enablement, Business Leadership, Strategic Leadership, AI Product Strategy, Generative Adversarial Networks (GANs), Business Strategy, Ethical Standards And Conduct, Analytical Skills, Strategic Thinking, Artificial Intelligence, Critical Thinking, Design Thinking, Thought Leadership, Project Implementation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Java Programming, Java, Programming Principles, Computer Programming, Integrated Development Environments, Computer Science, Data Structures
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Copilot, Cloud Applications, Microsoft Windows, Cloud Storage, Software Installation, Web Applications, AI Enablement, Operating Systems, User Interface (UI), File Management
Mixed · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Mobile Development, Application Design, Application Development, User Interface (UI), Interaction Design, Data Persistence, Animations, Computer Graphics, Persistence, Storyboarding, Network Model
Mixed · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Decision Making, Creativity, Talent Management, Communication, Innovation, Strategic Decision-Making, Personal Development, Curiosity, People Development, Professional Networking, Collaboration, Leadership Development, Productivity, Time Management, Self-Awareness, Strategic Leadership, Business Leadership, Leadership, Emotional Intelligence, Organizational Leadership
Beginner · Specialization · 3 - 6 Months

Indian Institute for Human Settlements
Skills you'll gain: Editing, Storytelling, Photography, Content Creation, Infographics, Writing, Media and Communications, Social Media, Research, Instagram
Mixed · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Script Development, Test Tools, Test Execution Engine, Test Planning, Application Security, Mobile Development, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Environmental Issue, Climate Change Mitigation, Natural Resource Management, Environmental Science, Biology, Climate Change Adaptation, Life Sciences, Anthropology, Ancient History
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Theoretical Computer Science, Software Systems, Communication Systems, Systems Analysis, System Design and Implementation, Embedded Systems
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Model Evaluation, Data Validation, Regression Analysis, Exploratory Data Analysis, Plot (Graphics), Statistical Modeling, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 4 Weeks