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: Failure Analysis, Engineering Management, Systems Engineering, Scope Management, Project Scoping, Risk Management, Root Cause Analysis, Program Management, Cost Management, Requirements Management, Contract Management, Project Risk Management, Project Management, Work Breakdown Structure, Change Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, TCP/IP, Cybersecurity, Dynamic Host Configuration Protocol (DHCP), Human Factors (Security), Technical Support and Services, Encryption, Command-Line Interface, Authentications, Wireless Networks
Advanced · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Experimentation, Advanced Mathematics, electromagnetics, Informatics, Mechanics, Physical Science, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Validation, Data Management, Clinical Data Management, Health Information Management, Data Literacy, Medical Records, Metadata Management, Technical Communication, Change Control
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Product Development, New Product Development, Wireframing, Product Design, User Experience Design, Prototyping, Design Thinking, Conceptual Design, Product Testing, Project Management, Product Management, Agile Methodology
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Business Risk Management
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Performance Testing, Computer Programming, Java Programming, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 3 - 6 Months

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Windows, Network Administration, Microsoft Azure, Windows PowerShell, Public Key Infrastructure, Data Storage Technologies, Infrastructure As A Service (IaaS), Cloud Storage, Proxy Servers, Web Applications
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Case Law, Environmental Issue, Legal Proceedings, Legal Research, Social Justice, Environmental Policy, Sustainable Development, Environmental Laws, Climate Change Adaptation, Advocacy, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Teams, Sales Presentation, Sales, Rapport Building, Relationship Building, Non-Verbal Communication, Virtual Environment, Customer Engagement, Drive Engagement, Microsoft Teams, Global Marketing, Brand Management, Overcoming Objections, Executive Presence, Communication Strategies, Trustworthiness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales Process, Sales Pipelines, Personal Development, Sales Operations, Sales Management, Professional Development, Sales Training, Sales, Account Management, Sales Strategy, Mentorship, Process Optimization, Employee Coaching, Forecasting, Self-Awareness, Customer Engagement, Customer Relationship Building, Stress Management, Customer Relationship Management (CRM) Software, Customer Relationship Management
Beginner · Course · 1 - 4 Weeks