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 System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Interviewing Skills, Journalism, Research, Investigation, Ethical Standards And Conduct, Data Collection, Rapport Building, Diversity Awareness, Cultural Diversity, Social Network Analysis
Mixed · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Graphic and Visual Design, Design Reviews, Visual Design, Design Elements And Principles, Peer Review, Layout Design, Design, Typography, Graphic Design
Beginner · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Technologies, Sustainable Engineering, Operations Management, Business Leadership, Waste Minimization, Manufacturing Operations, Corporate Sustainability, Environmental Resource Management, Environmental Engineering, Product Design, Systems Thinking, Manufacturing Processes, Digital Transformation
Build toward a degree
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Spatial Analysis, ArcGIS, Geographic Information Systems, Data Quality, Data Mapping, Data Modeling, Vector Databases, Data Management, Data Storage, Data Sharing, Data Manipulation, Relational Databases, Data Import/Export, Query Languages, Analytics
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Problem Solving, Computational Thinking, Computer Vision, Game Theory, Image Analysis, Probability, Artificial Neural Networks, Mathematical Modeling, Behavioral Economics, Convolutional Neural Networks, Algorithms, Human Development, Analytical Skills, Artificial Intelligence and Machine Learning (AI/ML), Computer Graphics, Artificial Intelligence, Psychology, Human Learning, Deep Learning, Theoretical Computer Science
Beginner · Specialization · 3 - 6 Months

University of Copenhagen
Skills you'll gain: Microbiology, Molecular, Cellular, and Microbiology, Infectious Diseases, Biology, Infection Control, Chronic Diseases, Diagnostic Tests, Pharmacology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Web Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Performance Tuning, Performance Analysis, Microsoft Excel, Time Series Analysis and Forecasting, Microsoft Copilot, Business Intelligence, Data Modeling, Data Manipulation, Business Metrics, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Mechanics, Physics, Experimentation, Engineering Calculations, Applied Mathematics, Physical Science, Systems Of Measurement, Engineering Analysis, Mathematical Modeling, Estimation
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Algorithms, Network Routing, Network Model, Graph Theory, Operations Research, Network Analysis, Theoretical Computer Science, Data Structures, Computational Thinking, Linear Algebra, Data Processing, Computer Science, Image Analysis, Python Programming
Advanced · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Risk Management, Mathematical Modeling, Predictive Modeling, Risk Analysis, Simulation and Simulation Software, Operations Research, Probability Distribution, Data-Driven Decision-Making, Statistical Hypothesis Testing, Statistical Analysis, Microsoft Excel, Spreadsheet Software
Mixed · Course · 1 - 4 Weeks