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.

Stanford University
Skills you'll gain: Physics, Timelines, Verification And Validation, Scientific Methods, Research, Experimentation, Mathematical Modeling, Systems Of Measurement
Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Classical Music, Music History, Music, Music Theory, Instrumental Music, Musical Composition, Art History
Mixed · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Responsive Web Design, Usability, HTML and CSS, Web Design, Multimedia, Web Design and Development, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, User Interface (UI), Email Marketing, Front-End Web Development, Adobe Creative Cloud, Web Development, Web Content, Web Development Tools, Hypertext Markup Language (HTML), Marketing, Content Management, File Management
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Test Planning, Embedded Systems, Linux, Internet Of Things, Embedded Software, Basic Electrical Systems, Automation Engineering, User Requirements Documents, Electronics, Functional Requirement, Operating System Administration, Electronic Components, Systems Design, Operating Systems, Requirements Analysis, Network Protocols, Debugging, Application Programming Interface (API), TCP/IP, Python Programming
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Front-End Web Development, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Kubernetes, Debugging, Cloud Infrastructure, Cloud Computing, Cloud Engineering, System Configuration, Network Troubleshooting, Problem Management
Intermediate · Project · Less Than 2 Hours

Berklee
Skills you'll gain: Music Theory, File Management, Music, Music Performance, Musical Composition, Instrumental Music, Editing, Self-Awareness, Performing Arts, digital literacy, Technical Support, Creativity
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, Object Oriented Programming (OOP), Model View Controller, Java, Front-End Web Development, Spring Framework, Object Oriented Design, Integrated Development Environments, Javascript, Software Design Patterns, Web Components, Development Environment, Web Applications, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Rmarkdown, Dashboard, Data Visualization, Data Cleansing, Analytical Skills, Stakeholder Management, Data Ethics, Data Analysis, Interviewing Skills, Ggplot2, Data Validation, Data-Driven Decision-Making, Spreadsheet Software, Google Sheets, Data Integrity, Object Oriented Programming (OOP), Data Structures, Applicant Tracking Systems
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

IBM
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, Software Development Life Cycle, Large Language Modeling, LLM Application, Software Architecture, Professional Networking, Responsible AI, Computer Vision, Vibe coding, Cascading Style Sheets (CSS), Software Design, Generative AI, Jupyter, IBM Cloud, Flask (Web Framework), Python Programming, Machine Learning, Data Science
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Music Theory, Musical Composition, Classical Music, Instrumental Music
Beginner · Course · 1 - 3 Months

Skills you'll gain: Front-End Web Development, React.js, JavaScript Frameworks, Web Development, UI Components, HTML and CSS, Software Testing, Javascript, Development Testing, Event-Driven Programming, Context Management
Intermediate · Course · 1 - 4 Weeks