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, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Thinking, Systems Design, System Design and Implementation, Systems Analysis, Model Evaluation, Software Design, Computer Architecture, Program Development, Software Quality (SQA/SQC), Logical Reasoning
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Governance, Risk Management, Cyber Security Strategy, Risk Appetite, Business Risk Management, Vendor Management, Governance Risk Management and Compliance, Security Strategy, Cyber Security Policies, Personally Identifiable Information, Compliance Management, Business Continuity, Information Privacy, Cyber Risk, Risk Analysis, Security Awareness, Data Management, Vulnerability Management
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Community Organizing, Social Justice, Social Impact, Advocacy, Student Engagement, Liberal Arts, Social Sciences, Performing Arts, Creativity, Cultural Diversity, Research
Mixed · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Econometrics, Regression Analysis, Probability & Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Time Series Analysis and Forecasting, Economics, Statistical Inference, Probability Distribution, Logistic Regression, Model Evaluation
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Construction Engineering, Structural Engineering, Construction, Civil Engineering, Engineering Practices, Structural Analysis, Engineering Design Process, Architecture and Construction, Engineering, Engineering Calculations, Maintenance, Repair, and Facility Services, Property Maintenance, Continuous Monitoring, Failure Analysis, Environmental Monitoring
Advanced · Course · 1 - 4 Weeks

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

University of California, Irvine
Skills you'll gain: Grammar, English Language, Vocabulary
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Cloud Services, Cloud Deployment, Generative AI, Cloud Security, Cloud Infrastructure, Cybersecurity, Cloud Platforms, Cloud Computing, Data Storage, Peripheral Devices, Computer Hardware, Cyber Attacks, System Configuration, Artificial Intelligence, Cloud Storage, OSI Models, General Networking, Data Security, Test Planning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Music Theory, Music, Musical Composition, Classical Music, Music History, Instrumental Music, Music Performance, World Music
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, System Testing, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks