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.

Skills you'll gain: User Research, Usability Testing, Persona (User Experience), Interaction Design, User Experience Design, User Interface (UI), User Experience, Design Research, Usability, User Centered Design, User Interface (UI) Design, Figma (Design Software), Design Elements And Principles, Wireframing, Web Design, UI Components, Prototyping, Front-End Web Development
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Web Design, Figma (Design Software), Typography, Front-End Web Development, Web Design and Development, Maintainability, Mockups, Web Content Accessibility Guidelines, UI Components, Cascading Style Sheets (CSS), Layout Design, Web Development, Usability, Prototyping, Web Development Tools, Software Engineering
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Numerical Analysis, Simulations, Engineering Analysis, Engineering Calculations, Verification And Validation, Mathematical Modeling
Advanced · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Business Strategy, Business Strategies, Organizational Strategy, Strategic Thinking, Corporate Strategy, Strategic Leadership, Business Management, Strategic Decision-Making, Competitive Analysis, Market Analysis, Value Propositions, Innovation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: ISO 9000 Series, Food Quality Assurance And Control, Food and Beverage, Production Process, Quality Assurance and Control, Quality Assessment, Quality Management, Hazard Analysis, Standard Operating Procedure, Statistical Process Controls, Water Quality, Microbiology, Chemistry, Process Control, Cost Control, Laboratory Testing, Manufacturing Processes, Descriptive Statistics, Analytical Chemistry, Product Testing
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, LLM Application, Large Language Modeling
Beginner · Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Sustainable Development, Cooperation, Discussion Facilitation, Collaboration, Research, Community Development, Creative Thinking, Community Outreach, Climate Change Adaptation, Student Engagement, Environmental Policy, Climate Change Mitigation, Education and Training
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

École Polytechnique
Skills you'll gain: Probability, Probability Distribution, Statistics, Statistical Inference, Simulations, Mathematical Theory & Analysis, Calculus
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Oil and Gas, Climate Change Programs, Environment, Governance, Energy and Utilities, Environmental Science, Environmental Monitoring, Physical Science, International Relations, Environmental Policy, Socioeconomics, Natural Resource Management, Hydrology, Economics, Cultural Diversity, Climate Change Adaptation, Geographic Information Systems, Mathematical Modeling, Transportation Operations, Social Studies
Beginner · Specialization · 3 - 6 Months

The Chinese University of Hong Kong
Skills you'll gain: Culture, Ancient History, Cultural Diversity, World History, Art History, Liberal Arts, Anthropology, Sociology, Storytelling
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Regression Analysis, Model Evaluation, Predictive Modeling, Supervised Learning, Statistical Modeling, Feature Engineering, Machine Learning, Data Preprocessing, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months