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.

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Scripting, Hypertext Markup Language (HTML), Event-Driven Programming, Object Oriented Programming (OOP), Web Services, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), JavaScript Frameworks, Web Design and Development, Web Applications, Web Development Tools, React.js, Javascript
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Web Analytics and SEO, JavaScript Frameworks, Semantic Web, Performance Tuning, Browser Compatibility, User Interface and User Experience (UI/UX) Design, Web Applications, Web Development
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Scripting, Web Design and Development, Event-Driven Programming, Programming Principles, Responsive Web Design, Integrated Development Environments, Debugging, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, Application Deployment, Mobile Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Responsive Web Design, Web Design and Development, Mockups, Web Design, Web Content Accessibility Guidelines, Prototyping, Javascript, Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Development, Web Design and Development, Web Applications, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles, JSON, Computational Thinking
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Web Design, Bootstrap (Front-End Framework), Web Development, Front-End Web Development, Cascading Style Sheets (CSS), Javascript, Development Environment
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, UI Components, Interactive Design, Front-End Web Development, User Interface (UI), Web Content
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Event-Driven Programming, HTML and CSS, Web Design and Development, Application Deployment, Web Development, Scripting, Programming Principles, GitHub, User Interface (UI), Application Development, Object Oriented Programming (OOP), Data Structures, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Usability, Front-End Web Development, User Interface (UI), Javascript, Web Content, User Experience, Geospatial Mapping, Animations
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Front-End Web Development, Cascading Style Sheets (CSS), Web Development Tools, User Interface (UI), React.js, Javascript, Web Servers, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks