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 Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Front-End Web Development, Web Content Accessibility Guidelines, Cloud Hosting, Debugging, Semantic Web, Web Analytics and SEO, Responsive Web Design
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Unit Testing, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Web Applications, Front-End Web Development, JavaScript Frameworks, Integration Testing, Development Environment, UI Components, Javascript, Data Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Web Design, Hypertext Markup Language (HTML), Creative Design, Cascading Style Sheets (CSS), User Interface (UI), Web Development, Usability, Information Architecture
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: jQuery, Cascading Style Sheets (CSS), HTML and CSS, Web Content Accessibility Guidelines, Usability, Javascript and jQuery, Hypertext Markup Language (HTML), Web Design and Development, Web Design, Web Development, Semantic Web, Front-End Web Development, Responsive Web Design
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Design, Web Content Accessibility Guidelines, Web Design and Development, Usability, Semantic Web, Cascading Style Sheets (CSS), Cloud Hosting, Web Servers, Data Validation, File Transfer Protocol (FTP)
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

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, Web Design, HTML and CSS, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), UI Components, Javascript and jQuery, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Browser Compatibility, Javascript, Typography, Web Analytics and SEO, Wireframing, Web Content Accessibility Guidelines, Logo Design
Mixed · Course · 1 - 4 Weeks

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, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Cascading Style Sheets (CSS), Event-Driven Programming, Web Applications, HTML and CSS, Hypertext Markup Language (HTML), Animations, Debugging
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, User Interface (UI), Data Validation
Beginner · Course · 1 - 3 Months