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 Colorado Boulder
Skills you'll gain: Debugging, Failure Analysis, Embedded Systems, Cyber Engineering, Simulation and Simulation Software, Technical Communication, Engineering Management, Communication Systems, System Programming, Control Systems, Engineering Practices
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Network Protocols, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Linux, Operating Systems, Network Security
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Linear Algebra, Artificial Intelligence and Machine Learning (AI/ML), Numerical Analysis, Geometry, Applied Mathematics, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Typography, Graphic and Visual Design, Design, Graphic Design, Graphic and Visual Design Software, Design Software, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks
Amazon Web Services
Skills you'll gain: Responsible AI, Amazon Bedrock, AWS SageMaker, Amazon Web Services, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Cloud Development, Large Language Modeling, Application Development
Beginner · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Engineering Management, Scope Management, Risk Management, Project Scoping, Stakeholder Analysis, Project Risk Management, Project Management, Business Risk Management, Governance
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Color Theory, Performing Arts, Design, Workplace inclusivity, Diversity Awareness, Cultural Sensitivity, Diversity Equity and Inclusion Initiatives, Detail Oriented, Creativity, Adaptability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Linear Algebra, Mathematical Modeling, Estimation, Matlab, Statistical Modeling, Applied Mathematics, Control Systems, Time Series Analysis and Forecasting, Simulation and Simulation Software, Probability & Statistics, System Implementation, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Measure What Matters
Skills you'll gain: Smart Goals, Goal Setting, Key Performance Indicators (KPIs), Organizational Effectiveness, Organizational Leadership, Business Priorities, Organizational Strategy, Leadership and Management, Performance Management, Team Performance Management, Employee Performance Management, Prioritization, Recognizing Others, Performance Measurement, Planning, Business Strategy, Constructive Feedback, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, API Design, NoSQL, Database Design, Relational Databases, Unit Testing, SQL, Databases, Server Side, Application Deployment, Javascript, Application Programming Interface (API), Software Documentation, Data Modeling, Software Architecture
Intermediate · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Video Editing, Color Matching
Beginner · Specialization · 1 - 3 Months