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: Windows Servers, Computer Security, Linux Administration, Contingency Planning, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Business Continuity Planning, Operating System Administration, Enterprise Application Management, OSI Models, User Accounts, Group Policy, Ubuntu, Systems Administration, Virtualization, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Purchasing, Procurement, Strategic Sourcing, Target Audience, Supply Chain Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Network Security, Information Systems Security, Key Management, Encryption, Data Integrity, Distributed Computing, Transaction Processing, Algorithms
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Computer Security Awareness Training, Information Systems Security, Security Strategy, Security Controls, Threat Modeling, Disaster Recovery, Data Loss Prevention, Incident Response, Vulnerability Assessments, Patch Management
Mixed · Course · 1 - 3 Months

Lund University
Skills you'll gain: Climate Change Adaptation, Sustainable Development, Sustainable Design, Governance, Water Sustainability, Systems Thinking, Environmental Resource Management, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Business Modeling, Stakeholder Engagement, Project Finance
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Internet Of Things, Wireless Networks, Infrastructure Security, General Networking, Cybersecurity, Cloud Platforms, Cryptography, Network Protocols, Automation, Emerging Technologies, Embedded Systems, Software-Defined Networking, Market Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Communication Planning, Project Documentation, Document Management, Stakeholder Communications, Communication Strategies, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Tax, Sales Tax, Balance Sheet, Accounting, Accounts Payable, Financial Accounting, General Accounting, Equities, Bookkeeping, General Ledger, Mortgage Loans, Loans, Tax Compliance
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Editing, Writing, World History, Liberal Arts, Social Studies
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, CI/CD, Continuous Integration, DevOps, Software Development, Continuous Delivery, Software Installation, Linux Administration
Beginner · Course · 1 - 4 Weeks

University of Western Australia
Skills you'll gain: Diversity Awareness, Diversity and Inclusion, Diversity Equity and Inclusion Initiatives, Workplace inclusivity, Recruitment Strategies, Recruitment, Talent Acquisition, Interviewing Skills, Employee Onboarding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months