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.

Duke University
Skills you'll gain: Compensation Analysis, Meeting Facilitation, Performance Review, Staff Management, Safety Training, Strategic Leadership, Prioritization, Human Resources, Diversity and Inclusion, Performance Management, Human Resources Management and Planning, Recruitment, Time Management, Organizational Strategy, Human Resource Management, Organizational Skills, Stakeholder Management, Strategic Planning, Business Metrics, Leadership
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: LLM Application, Databases, Data Storage Technologies, NoSQL, Data Storage, Query Languages, Artificial Intelligence, Database Architecture and Administration, Applied Machine Learning, Information Management, Generative AI
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Statistical Hypothesis Testing, Data Science
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Network Troubleshooting, Computer Networking, Desktop Support, Technical Support, Help Desk Support, Cloud Services, Security Management, Operating Systems, Information Technology, Microsoft Windows, Computer Hardware, Wireless Networks
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Performance Tuning, Web Development Tools, Front-End Web Development, TypeScript, Ajax, JavaScript Frameworks, Application Performance Management, UI Components, User Interface (UI)
Advanced · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Forecasting, Data Processing, Predictive Modeling, Data Analysis, Risk Modeling, Market Data, Analytics, Regression Analysis, Pandas (Python Package), Python Programming, Probability & Statistics, Probability, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Data Analysis, Programming Principles, Statistical Analysis, Computer Programming, Python Programming, Natural Language Processing, Scripting, NumPy, Algorithms, Debugging, Data Structures
Build toward a degree
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Virtual Teams, Conflict Management, Telecommuting, Trustworthiness, Interpersonal Communications, Team Leadership, Collaboration, Collaborative Software, Leadership, Team Building, Productivity, Social Skills, Rapport Building, Communication, Leadership Development, Relationship Building, Team Performance Management, People Management, Meeting Facilitation, Constructive Feedback
Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Prompt Patterns, Responsible AI, LLM Application, Ethical Standards And Conduct, Content Creation
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Real-Time Operating Systems, Software Development, Software Design, System Software, Software Configuration Management, Software Architecture, Embedded Systems, Configuration Management, Systems Architecture, Application Development, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Software Design Documents, Unreal Engine, Video Game Development, Virtual Environment, Conceptual Design, Interactive Design, Prototyping, Design Elements And Principles, Creativity
Beginner · Course · 1 - 4 Weeks

Universidad de Chile
Skills you'll gain: Time Management, Learning Strategies, Student Support and Services, Organizational Skills, Emotional Intelligence, Lifelong Learning, Prioritization, Academic Advising, Personal Development, Stress Management, Self-Awareness, Adaptability
Beginner · Course · 1 - 3 Months