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.

Yale University
Skills you'll gain: Applied Behavior Analysis, Behavior Management, Positive Behavior Support, Parent Communication, Mental Health Diseases and Disorders, Child Development, Problem Solving
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Prototyping, Ideation, Engineering Design Process, Sustainable Design, Social Impact, Human Centered Design, Product Design, Design Thinking, Social Justice, Case Studies, Diversity Awareness, Innovation, Cultural Responsiveness, Product Requirements
Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Student Support and Services, Personal Development, Stress Management, Classroom Management, Cultural Responsiveness, Empathy, Self-Awareness, Relationship Building
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Network Routing, TCP/IP, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Routers, Network Security, Local Area Networks, Network Switches, File Transfer Protocol (FTP)
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Sustainable Development, Sustainable Systems, Project Finance, Civil Engineering, Sustainable Design, Sustainability Standards, Social Impact, Climate Change Adaptation, Environment, Environmental Engineering, Strategic Partnership, Climate Change Mitigation, Stakeholder Engagement, Project Planning
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, C (Programming Language), Object Oriented Programming (OOP), System Programming, Functional Design, Secure Coding, Software Architecture, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Business Ethics, Responsible AI, Ethical Standards And Conduct, Sustainable Development, Law, Regulation, and Compliance, Data Security, Medical Privacy, Information Privacy, Artificial Intelligence and Machine Learning (AI/ML), Decision Making, Business Leadership, Artificial Intelligence, Accountability, Business Strategy, Safety and Security, Emerging Technologies, Human Centered Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Web Design and Development, Hypertext Markup Language (HTML), Web Applications, Interactive Data Visualization, Cascading Style Sheets (CSS), Infographics, Javascript, Data Validation, Web Content, Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Microsoft Office, Data Entry, Microsoft 365
Intermediate · Guided Project · Less Than 2 Hours

Banco Interamericano de Desarrollo
Skills you'll gain: Risk Analysis, Risk Management, Risk Modeling, Hazard Analysis, Mitigation, Risk Management Framework, Project Risk Management, Failure Analysis, Analysis, Climate Change Adaptation, Vulnerability Assessments, Case Studies, Quantitative Research, Qualitative Research
Advanced · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Project Finance, Feasibility Studies, Private Equity, Sustainable Development, Loans, Environmental Social And Corporate Governance (ESG), Finance, Investments, Due Diligence, Financial Market, Innovation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Restful API, Core Data (Software), Secure Coding, Security Controls, HTML and CSS, UI Components
Intermediate · Course · 1 - 4 Weeks