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.

Alex Genadinik
Skills you'll gain: Decision Making, Active Listening, Empathy, Strategic Decision-Making, Non-Verbal Communication, Conflict Management, Leadership Development, Leadership, Meeting Facilitation, Creativity, Cultural Sensitivity, Empathy & Emotional Intelligence, Data-Driven Decision-Making, Emotional Intelligence, Business Leadership, Leadership Studies, Leadership and Management, Strategic Leadership, Organizational Leadership, Team Leadership
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), GitHub, Data Literacy, Data Analysis, R Programming, Statistical Programming, Exploratory Data Analysis, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Multimodal Prompts, Prompt Engineering, Data Presentation, Prompt Patterns, AI Enablement, AI Personalization, Generative AI, Email Automation, LLM Application, Data Analysis, Artificial Intelligence, Complex Problem Solving, Ideation, Business Correspondence, Report Writing, Solution Design, Critical Thinking, Document Management, Machine Learning
Beginner · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Physics, Materials science, Physical Science, Mathematical Modeling, Advanced Mathematics, Calculus, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Search Engine Optimization, Web Content Accessibility Guidelines, HTML and CSS, Web Design and Development, Web Analytics and SEO, Web Development, Javascript, Frontend Performance, Browser Compatibility
Intermediate · Guided Project · Less Than 2 Hours
École Polytechnique
Skills you'll gain: General Science and Research, Physics, Scientific Methods, Engineering, Scientific, and Technical Instruments, Research, Physical Science, Materials science, Simulation and Simulation Software
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Routing Protocols, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, User Flows, Authentications, Data Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Color Matching, Video Production, Image Quality, Post-Production, Video Editing, Color Theory, Cinematography
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Sustainable Architecture, Systems Thinking, Architectural Engineering, Sustainable Systems, Architectural Design, Sustainable Design, Building Design, Architecture and Construction, Civil and Architectural Engineering, Sustainable Development, Landscape Architecture, Environmental Engineering, Sustainable Engineering, Structural Analysis, Environmental Regulations, Policty Analysis, Research, and Development, Environment and Resource Management, Materials science, Thermal Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Collaborative Software, Project Management Software, Automation, Productivity Software, Project Management, Cloud-Based Integration, Internal Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Data Transformation, Data Analysis, Data Cleansing, Data Manipulation, Data Import/Export, Predictive Modeling, Data Preprocessing, Regression Analysis, Data Science, Statistical Analysis, Pandas (Python Package), Scikit Learn (Machine Learning Library), Data-Driven Decision-Making, Matplotlib, Data Visualization, NumPy, Python Programming
Intermediate · Course · 1 - 3 Months
Arizona State University
Skills you'll gain: Digital pedagogy, Oral Expression, Train The Trainer, Vocabulary, Design Elements And Principles, Design Strategies, English Language, Language Learning, Verbal Communication Skills, Public Speaking, Grammar
Beginner · Specialization · 3 - 6 Months