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.

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, System Testing, Integration Testing, User Acceptance Testing (UAT), Unit Testing, Secure Coding, Test Case, Requirements Analysis, Waterfall Methodology, Agile Methodology, Project Management
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Intellectual Property, Legal Risk, Responsible AI, General Data Protection Regulation (GDPR), Personally Identifiable Information, AI Security, Legal Technology, Law, Regulation, and Compliance, Regulation and Legal Compliance, Information Privacy, Artificial Intelligence, Data Ethics, Risking, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Parent Communication, Student Engagement, Community Outreach, Teaching, Cultural Diversity, Instructional Strategies, Cultural Sensitivity, Case Studies, Diversity Awareness, Collaboration
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Science, Model Evaluation, Statistical Machine Learning, Dimensionality Reduction, Statistical Modeling, R Programming, Statistical Analysis, Statistical Methods, Regression Analysis, Statistics, Applied Mathematics, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Test Case, Software Testing, Cascading Style Sheets (CSS), Application Frameworks, Browser Compatibility, Javascript and jQuery, Web Scraping, Automation, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Risk Management Framework, Persuasive Communication, Storytelling, Influencing, Governance, Risk Management, Change Management, Organizational Change, Communication, Conflict Management, Leadership, Business Transformation, Risk Analysis, Negotiation, Operational Risk, Business Risk Management, Risk Mitigation, Intercultural Competence, Stakeholder Management, Process Management
Beginner · Specialization · 3 - 6 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Music History, Music, Oral Expression, World History, Social Studies, Liberal Arts, Performing Arts, Art History, Cultural Diversity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Security, Cloud Deployment, Cloud Computing, Incident Response, Cloud Infrastructure, Capacity Management, Application Security, Security Controls, Network Security, Hardening, Scalability, Emerging Technologies, Identity and Access Management, Role-Based Access Control (RBAC), Encryption
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronic Systems, Electronic Components, Electronic Hardware, Electronics, Materials science, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Laboratory Testing, Analytical Testing, Biochemistry, Legal Proceedings, Pharmacology, Sports Medicine, Culture, Social Sciences, Sociology, Social Determinants Of Health, Law, Regulation, and Compliance, Ethical Standards And Conduct
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, File Systems, Shell Script, TCP/IP, Scripting, Version Control
Beginner · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Generative AI, Artificial Intelligence, AI Product Strategy, Data Ethics, Responsible AI, Large Language Modeling, Strategic Thinking, Risk Management, Natural Language Processing, Machine Learning Methods
Beginner · Course · 1 - 4 Weeks