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: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Physics, Laboratory Research, Mechanics, Experimentation, Mathematical Modeling, electromagnetics, General Science and Research, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Graphing, Systems Of Measurement, Physics, Integral Calculus, Calculus, Mechanics, Arithmetic, Scientific Methods, Applied Mathematics, Algebra, Mathematical Modeling, Derivatives
Mixed · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Telecommunications, Physical Science, Time Series Analysis and Forecasting, Safety Assurance, Global Positioning Systems, Mathematical Modeling, Electronic Systems
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Electrical Substation, Control Systems, Electrical Systems, High Voltage, Electrical Equipment, Electric Power Systems, Low Voltage, Electrical Power, Electrical Safety, Basic Electrical Systems, Three-Phase, Wiring Diagram, Schematic Diagrams, Technical Standard, Construction
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Music Performance, Creativity, Writing and Editing, Writing
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Ancient History, Culture, Language Interpretation, Translation, and Studies, World History, Social Studies, Anthropology, Cultural Diversity, Research
Intermediate · Course · 1 - 3 Months

University of Virginia Darden School Foundation
Skills you'll gain: Digital Transformation, Business Strategy, Cloud Computing Architecture, Competitive Analysis, Cloud Services, Cloud Deployment, Business Transformation, Responsible AI, Cloud Security, Statistical Visualization, Cloud Infrastructure, Big Data, Cloud Platforms, Data Analysis, Statistical Analysis, Cloud Computing, Apache Hadoop, Product Lifecycle Management, Generative AI, Data Science
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electrical Engineering, Electronics, Engineering Analysis, Simulation and Simulation Software, Systems Analysis, Matlab, Technical Design
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Anthropic Claude, Responsible AI, OpenAI API, Cloud Deployment, Cloud Applications, LLM Application, OpenAI, HTML and CSS, ChatGPT, Application Deployment, Mobile Development, API Gateway, Web Applications, Generative AI, Model Deployment, Cloud Security, Data Ethics, Debugging, Artificial Intelligence
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Energy and Utilities, Sustainable Development, Corporate Sustainability, Strategic Leadership, Product Engineering, Environmental Management Systems, Environmental Engineering, Waste Minimization, Packaging and Labeling, Product Lifecycle Management, Climate Change Mitigation, Emerging Technologies
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Identity and Access Management, Kubernetes, Google Cloud Platform, Prompt Engineering, Application Deployment, Cloud Storage, Containerization, Infrastructure As A Service (IaaS), Cloud Deployment, Cloud Computing, CI/CD, Cloud-Native Computing, Terraform, Cloud Applications, Cloud Computing Architecture, Cloud Security, Cloud Management, Cloud Services, Network Planning And Design
Intermediate · Professional Certificate · 3 - 6 Months