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.

Università di Napoli Federico II
Skills you'll gain: Control Systems, Systems Architecture, Simulation and Simulation Software, Global Positioning Systems, Automation, Mechanical Engineering, Computer Vision, Mathematical Modeling, Estimation, Real Time Data, Business Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Linear Algebra, Advanced Mathematics, Mathematical Theory & Analysis, Derivatives, Graphing
Mixed · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Advanced Mathematics, Differential Equations, Mathematical Theory & Analysis, Calculus, Integral Calculus, Applied Mathematics, Derivatives
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Front-End Web Development, Responsible AI, Generative AI, OpenAI, ChatGPT, Code Review, User Interface and User Experience (UI/UX) Design, Prompt Engineering, Software Documentation, Test Automation, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe After Effects, Animations, Video Production, Post-Production, Video Editing, Motion Graphics, Storyboarding, Ideation, File Management, Content Creation, Timelines, Graphics Software, Creativity, Color Matching
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Music Theory, Music Performance, Music, Leadership, Booking (Sales), Professional Networking, Professional Development, Entrepreneurship, Verbal Communication Skills, Scheduling
Intermediate · Course · 1 - 3 Months

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

University of Florida
Skills you'll gain: Land Management, Climate Change Mitigation, Sustainable Development, Environment and Resource Management, Water Resource Management, Water Sustainability, Sustainability Standards, Climate Change Adaptation, Natural Resource Management, Plant Operations and Management, Sustainable Systems, Environment, Water Resources, Systems Thinking, Environmental Science, Cultural Diversity, General Science and Research, Taxonomy, Spatial Analysis, Biology
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Climate Change Mitigation, Risk Management, Climate Change Adaptation, Mitigation, Business Risk Management, Risk Analysis, Environmental Policy, Environmental Issue, Community Development, Vulnerability, Policy Analysis, Economics
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Risk Management, Mitigation, Risk Analysis, Policy Development, Governance, Vulnerability, Stakeholder Engagement, Public Policies
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Document Management, Data Sharing, Digital Publishing, File Management, Data Maintenance, User Interface and User Experience (UI/UX) Design, Interoperability, Image Quality
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Applied Mathematics, Mathematical Modeling, Trigonometry, Probability, Advanced Mathematics, Data Analysis, Logical Reasoning, General Mathematics, Probability Distribution, Mathematical Theory & Analysis, Descriptive Statistics, Arithmetic, Statistics, Engineering Calculations, Calculus, Visualization (Computer Graphics), Geometry, Analytical Skills
Beginner · Specialization · 1 - 3 Months