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.

Board Infinity
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, LLM Application, Tool Calling, AI Orchestration, Prompt Engineering, Generative AI Agents, Large Language Modeling, Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stress Management, Self-Awareness, Professionalism, Communication, Telephone Skills, Interviewing Skills, Interpersonal Communications, Social Skills, Leadership Development, Conflict Management, Rapport Building, Growth Mindedness, Self-Motivation, Verbal Communication Skills, Communication Strategies, Personal Development, Industrial and Organizational Psychology, Personal Attributes, Professional Development, Decision Making
★ 4.9 (9) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Capital Budgeting, Risk Mitigation, Risk Analysis, Project Risk Management, Risk Management, Project Finance, Financial Analysis, Cash Flows, Business Valuation, Cost Benefit Analysis, Financial Modeling, Return On Investment, Depreciation, Financial Statements, Business Metrics, Spreadsheet Software, Microsoft Excel
★ 4.8 (247) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Threat Management, Cybersecurity, Application Security, IT Security Architecture, Azure Active Directory, Security Strategy, Internet Of Things, Secure Coding, Security Controls, Microsoft Azure, Identity and Access Management, Asset Management
★ 4.6 (104) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Cloud-Native Computing, Network Security, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtualization and Virtual Machines, Virtual Machines, Network Troubleshooting, Cloud Platforms, Cloud Storage, Cloud Technologies, Virtual Networking, Software-Defined Networking, Network Monitoring, Threat Modeling, Data Centers, Virtual Local Area Network (VLAN), Cloud Security
★ 4.6 (32) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Software Development Life Cycle, CI/CD, DevOps, Software Development Methodologies, Devops Tools, Continuous Integration, Agile Software Development, Project Management, Software Development, Continuous Deployment, Application Development, Application Deployment, Software Development Tools, Software Testing, Agile Project Management, Waterfall Methodology, Agile Methodology, Kanban Principles, Scrum (Software Development), Automation
★ 4.8 (123) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Infectious Diseases, Immunology, Molecular, Cellular, and Microbiology, Pathology, Epidemiology, Microbiology, Public Health, Molecular Biology
★ 4.8 (90) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Business Intelligence Software, Dashboard, Data Warehousing, Performance Tuning, Business Logic, Database Development, Business Reporting, Data Modeling, Interactive Data Visualization, Performance Analysis, Performance Improvement, Report Writing, Content Performance Analysis, Data Presentation, Metadata Management, Data Validation, Database Administration, Analysis, Data Management
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Marketing Management, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Branding, Marketing Communications, Brand Marketing, Sustainability Standards, Customer Engagement, Advertising, Regulatory Compliance, Data-Driven Marketing, Law, Regulation, and Compliance, Driving engagement, Regulatory Requirements, Market Opportunities, Environmental Issue, Digital Marketing, Engineering Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Security Awareness Training, Information Technology, Security Software, Malware Protection, Data Security, Technical Support and Services, Cybersecurity, Encryption, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Microsoft Windows, Operating System Administration, Command-Line Interface, Operating Systems, Desktop Support, System Configuration, Systems Administration, IT Automation, OS Process Management, General Networking, Graphical Tools
★ 4.5 (90) · Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Agile Project Management, Agile Software Development, Sprint Planning, Product Roadmaps, Agile Product Development, Project Management Life Cycle, User Story, Agile Methodology, Sprint Retrospectives, Scrum (Software Development), Project Coordination, Product Requirements, Team Management, Release Management, Backlogs, Team Oriented, Team Building, Cross-Functional Team Leadership, Quality Management, Project Risk Management
Intermediate · Course · 1 - 3 Months