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.

Technical University of Munich (TUM)
Skills you'll gain: Trauma Care, Orthopedics, Wound Care, Surgical Suturing, Surgery, Neurology, Injury Prevention, Emergency Medicine, Triage, Rehabilitation, Critical Care, Acute Care, Diagnostic Radiology, Anatomy, Clinical Assessment, Medical Imaging
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Multimedia, Logo Design, Cinematography, Video Editing, 3D Modeling, Adobe Illustrator, Adobe Photoshop, Computer Graphics, Creative Design, Typography, Graphical Tools, Graphic Design, File Management, Color Theory
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Community Outreach, Water Resource Management, Water Resources, Cultural Diversity, Land Management, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Environmental Resource Management, Environmental Engineering, Water Quality, Case Studies, Natural Resource Management, Environmental Issue, Environmental Policy, Climate Change Adaptation, Regulatory Compliance
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Test Data, Data Validation
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Program Implementation, Plan Execution, Business Planning, Sustainability Reporting, Contract Management, Policy Development, Annual Reports, Vendor Contracts, Goal Setting, Corporate Sustainability, Sustainable Business, Strategic Partnership, Interactive Learning, Project Planning, Peer Review, Report Writing, Business Reporting, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Color Theory, Graphic Design, Logo Design, Digital Design
Intermediate · Guided Project · Less Than 2 Hours
University of Virginia
Skills you'll gain: Revenue Management, Global Marketing, Consumer Behaviour, Marketing Psychology, Customer Insights, Customer Analysis, Value Propositions, Case Studies, Market Dynamics, Market Research, Behavioral Economics, Competitive Analysis, Analysis
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Theoretical Computer Science, Python Programming, Algorithms, Data Structures, Computer Science, Computational Thinking, Software Testing, Performance Testing
Beginner · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Entrepreneurship, Peer Review, Market Opportunities, Business Planning, Innovation, Consumer Behaviour, Business Leadership, Brand Management, Strategic Thinking, Marketing, Business Strategy, Business Development, Global Marketing, Strategic Marketing, Business Consulting, Business Strategies, Digital Media Strategy, Strategic Partnership, Competitive Analysis, Go To Market Strategy
Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Combinatorics, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Data Structures, Advanced Mathematics, Mathematical Modeling, Probability, Calculus
Advanced · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Analysis, Data Science, Python Programming, Data Structures, Exploratory Data Analysis, Data Manipulation, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique
Skills you'll gain: Grammar, European History, Language Learning, Culture, Vocabulary, Political Sciences, World History, Oral Expression, International Relations, Writing, Social Sciences, Liberal Arts, Art History, Science and Research, Cinematography
Advanced · Course · 1 - 3 Months