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.

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Quantitative Research, Estimation, Applied Mathematics, Advanced Mathematics, Algebra, Complex Problem Solving, General Mathematics
Beginner · Course · 1 - 4 Weeks

University of Florida
Skills you'll gain: Land Management, Water Resource Management, Natural Resource Management, Environment and Resource Management, Sustainability Standards, Sustainable Systems, Climate Change Adaptation, General Science and Research, Environmental Science, Socioeconomics, Research, Biology
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Timelines, Project Documentation, Team Management, Stakeholder Management, Project Management, Project Management Software, Project Schedules, Project Scoping, Work Breakdown Structure, Project Planning
Beginner · Guided Project · Less Than 2 Hours
Yonsei University
Skills you'll gain: Semiconductors, Electronics, Electronics Engineering, Electronic Components, Electrical Engineering, Display Devices, Materials science, Manufacturing Processes, Emerging Technologies, Reliability, Physics
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Storytelling, Music Performance, Instrumental Music, Musical Composition, Music, Oral Expression, Creativity
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Vulnerability Assessments, Data Security, Application Security, Exploitation techniques, Security Controls, Software Design, Verification And Validation, Java, Code Review, Programming Principles, Debugging, Cybersecurity
Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Waste Minimization, Environmental Engineering, Sustainable Engineering, Environmental Regulations, Civil Engineering, Construction, Radiation Protection, Sustainable Technologies, Thermal Management, Land Management, Environmental Resource Management, Process Engineering, Environmental Laws, Chemical Engineering, Environmental Policy, Pollution Prevention, Transportation Operations, Energy and Utilities, Environmental Science
Intermediate · Specialization · 3 - 6 Months

Michigan State University
Skills you'll gain: Color Theory, Adobe Illustrator, Digital Design, Animations, Creativity, Image Quality, Design
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Differential Equations, Advanced Mathematics, Mathematical Theory & Analysis, Calculus, Integral Calculus, Derivatives
Mixed · Course · 1 - 3 Months
Universidad Austral
Skills you'll gain: Legal Technology, Digital Transformation, Blockchain, Workforce Development, Law Practice Management Software, Emerging Technologies, Legal Research, Ethical Standards And Conduct, Automation, Court Systems, Self Service Technologies, Artificial Intelligence, Design Thinking, Innovation
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Design, Predictive Modeling, Algorithms, Data Structures, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Eclipse (Software), Java, Java Programming, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Debugging
Beginner · Course · 1 - 4 Weeks