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.

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Web Development, Continuous Integration, Java, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Environmental Engineering, Microbiology, Analytical Chemistry, Environmental Science, Biochemistry, Biology
Intermediate · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Talent Pipelining, Talent Sourcing, Recruitment, Talent Acquisition, Recruitment Strategies, Talent Management, Strategic Sourcing, Professional Networking, Interviewing Skills, LinkedIn, Market Research, Communication
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Research, Data Collection, Surveys, Scientific Methods, Research Methodologies, Persuasive Communication, Data Analysis, Information Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Security, Encryption, OSI Models, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, Network Monitoring, TCP/IP, Remote Access Systems, Network Infrastructure, Network Troubleshooting, Network Protocols, Infrastructure Security, Wireless Networks, Virtual Private Networks (VPN), Endpoint Security, Cloud Security, Routing Protocols, Software-Defined Networking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, UI/UX Research, Prototyping, Design Research, User Experience, User Experience Design, User Interface and User Experience (UI/UX) Design, Persona (User Experience), Artificial Intelligence, Experience Design, User Centered Design, Prompt Patterns, User Interface (UI), Design, Design Thinking, User Interface (UI) Design, Wireframing, Presentations, Responsible AI, Professional Development
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cybersecurity, Threat Management, Cyber Attacks, Threat Detection, Cloud Security, Disaster Recovery, Network Security, Malware Protection, Data Security, Intrusion Detection and Prevention, Hardening, Systems Architecture, Encryption
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Identity and Access Management, Network Monitoring, Google Cloud Platform, Virtual Private Networks (VPN), General Networking, Network Troubleshooting, Virtual Local Area Network (VLAN), Network Security, Network Architecture, Network Routing, Cloud Computing, Cloud Security, Firewall, Key Management, Load Balancing, Cloud Storage, DevOps, Encryption, Automation
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity, Disaster Recovery, Digital Assets, Vulnerability Assessments, Regulatory Compliance, Enterprise Security, Data Security, Law, Regulation, and Compliance, Encryption, Cybersecurity, Network Security, Emerging Technologies, Distributed Computing, Transaction Processing
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Payment Systems, Financial Trading, Generally Accepted Accounting Principles (GAAP), Accounting Systems, Financial Reporting, Derivatives
Beginner · Course · 1 - 3 Months

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