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.

Universiteit Leiden
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Technologies, Environmental Resource Management, Sustainable Engineering, Environment, Environmental Science, Resource Utilization, Materials science, Supply And Demand, Economics, Analysis, Consumer Behaviour
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, System Design and Implementation, Java, Systems Design, Service Oriented Architecture, Software Design, Performance Tuning, Authentications, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Occupational Health, Public Health, Environmental Laws, Environmental Regulations, Health Systems, Environmental Policy, Systems Thinking, Occupational Safety and Health Administration (OSHA), Environmental Science, Epidemiology, Environmental Issue, Environmental Monitoring, Health Policy, Personal protective equipment, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Universidad ORT Uruguay
Skills you'll gain: Video Game Development, Software Engineering, Program Development, Programming Principles, Software Testing, Animation and Game Design, Software Development, Event-Driven Programming, Computer Programming, Computational Thinking, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Branding, Brand Strategy, Brand Awareness, Marketing Design, Target Audience, Customer Insights, Marketing, Content Creation, User Research, Goal Setting, Promotional Strategies, Social Media, Persona Development, Marketing Strategies, Customer Analysis, Digital Marketing
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Supply And Demand, Economics, Market Dynamics, Behavioral Economics, Resource Allocation, Socioeconomics, Consumer Behaviour, Cost Benefit Analysis, Decision Making, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Agentic systems, Competitive Intelligence, Sales Management, Sales Strategy, Sales, AI Enablement, Customer Analysis, Customer Relationship Management, Sales Presentations, Real Time Data, Automation, Proposal Development, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Account Strategy, Account Management, Return On Investment, Sales Management, Sales Strategy, Risk Management, Loyalty Programs, Customer Advocacy, Sales, Digital Transformation, Business Risk Management, Business Metrics, Business Transformation, Innovation, Telecommuting, Virtual Teams, Customer Relationship Building
Intermediate · Course · 1 - 4 Weeks
Logical Operations
Skills you'll gain: Power BI, Data Analysis, Business Intelligence Software, Microsoft Excel, Data Visualization Software, Business Intelligence, Data-Driven Decision-Making, Ad Hoc Analysis, Data Storytelling, Microsoft 365, Business Reporting, Data Visualization, Data Analysis Software, Interactive Data Visualization, Data Presentation, Microsoft Office, Microsoft PowerPoint, Data Sharing, Data Management
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Process Improvement, Process Analysis, Product Testing, Test Engineering, Thermal Management, Electronics Engineering, Electronics, Reliability, Performance Testing
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Security Engineering, Security Requirements Analysis, Threat Management, Data Flow Diagrams (DFDs), Threat Detection, Data Security, Key Management, Risk Analysis, Technical Documentation, Cloud Services, Technical Communication
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Agentic systems, Generative AI Agents, AI Workflows, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Emerging Technologies, Business Ethics, Social Impact, Problem Solving, Analysis, Business Planning
Beginner · Course · 1 - 3 Months