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.

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Design Thinking, Business Transformation, Workforce Development, Strategic Thinking, Automation, Digital Transformation, Human Centered Design, Emerging Technologies, Innovation, Business Process Automation, Forecasting, Organizational Change
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Rmarkdown, Shiny (R Package), Dashboard, Leaflet (Software), Interactive Data Visualization, R Programming, Scatter Plots, Box Plots, Spatial Data Analysis, Histogram, Data Science, Data Analysis, User Interface (UI), UI Components
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, OAuth, Responsive Web Design, Prototyping, Animation and Game Design, Apple Xcode, Human Computer Interaction, UI/UX Strategy, Usability Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: API Gateway, Application Programming Interface (API), Cloud API, API Design, Continuous Deployment, CI/CD, Restful API, Continuous Integration, Middleware, JSON, Software Versioning, Proxy Servers, Scalability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

The World Bank Group
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Interactive Learning, Environmental Issue, Sustainable Development, Social Impact, Environment, Environmental Policy, Natural Resource Management, Environmental Science, Energy and Utilities, Water Resource Management, Scientific Methods, Policy Analysis, Cooperation, Collaboration
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Innovation, New Product Development, Business Transformation, Organizational Strategy, Strategic Leadership, Strategic Thinking, Organizational Change, Technology Strategies, Product Management, Entrepreneurship, Team Leadership, Business Management, Virtual Teams, Cross-Functional Collaboration
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Software Design Patterns, Object Oriented Programming (OOP), C (Programming Language), Debugging, Algorithms, Graph Theory, Artificial Intelligence, Data Structures, Game Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Network Security, Cryptography, AWS Identity and Access Management (IAM), Encryption, Digital Forensics, User Provisioning, Penetration Testing, Vulnerability Scanning, Security Management, ISO/IEC 27001, Information Systems Security, Network Architecture, Computer Networking, DevSecOps, Risk Management, Safety and Security, Data Management, Software Development Methodologies, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms, Performance Testing
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Network Security, Network Protocols, TCP/IP, Cloud Computing, Firewall, Cloud Services, General Networking, Networking Hardware, Network Architecture, OSI Models, Microsoft Azure, Computer Networking, Network Infrastructure, Network Monitoring, Virtualization
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Development, Systems Thinking, Environmental Engineering, Socioeconomics, Environmental Science, Waste Minimization, Product Lifecycle Management, Environmental Policy, Analysis, Resource Utilization
Beginner · Course · 1 - 3 Months