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.

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

California Institute of the Arts
Skills you'll gain: User Interface (UI) Design, UI Components, Graphic and Visual Design, Web Design, Human Computer Interaction, Design Elements And Principles, Typography, Interaction Design, Responsive Web Design, Graphic Design, User Experience Design
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Wireframing, User Interface (UI) Design, Browser Compatibility, Usability, Web Content Accessibility Guidelines, Mobile Development, Javascript
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Database Design, SQL, PHP (Scripting Language), MySQL, Relational Databases, JSON, jQuery, Hypertext Markup Language (HTML), Javascript and jQuery, Ajax, Databases, Database Application, Data Modeling, Database Development, Debugging, Web Applications, Object Oriented Programming (OOP), Web Development, Secure Coding, Javascript
Intermediate · Specialization · 3 - 6 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

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

University of Michigan
Skills you'll gain: Finite Element Methods, Engineering Analysis, Mathematical Software, Numerical Analysis, Mathematical Modeling, Advanced Mathematics, C++ (Programming Language)
Intermediate · Course · 3 - 6 Months

Imperial College London
Skills you'll gain: Regression Analysis, Calculus, Advanced Mathematics, Machine Learning Algorithms, Linear Algebra, Artificial Neural Networks, Mathematical Modeling, Python Programming, Derivatives
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Database Design, Data Processing, Web Scraping, Data Visualization, Relational Databases, Restful API, Web Services, SQL, Databases, Data Visualization Software, JSON, Interactive Data Visualization, Extensible Markup Language (XML), Data Structures, Programming Principles, Data Cleansing, Network Protocols, Data Analysis, Python Programming, Computer Programming
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Data Persistence, Web Design and Development, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

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
University of Illinois Urbana-Champaign
Skills you'll gain: Computational Logic, Application Specific Integrated Circuits, Theoretical Computer Science, Data Structures, Verification And Validation, Computer Architecture, Systems Design, Algorithms, Computer Engineering, Mathematical Software, Design Software, Computer Programming Tools, Debugging, Digital Design, Software Development Tools
Intermediate · Course · 1 - 3 Months