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, Object Oriented Programming (OOP), Event-Driven Programming, Responsive Web Design, Programming Principles, Prototyping, Network Protocols
★ 4.5 (54) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), UI Components, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Javascript, Graphic and Visual Design, Typography, Frontend Performance, Web Analytics and SEO, Web Content Accessibility Guidelines, Logo Design
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), HTML and CSS, Web Development, Typography
★ 4.7 (42) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Web Design, Web Design and Development, User Interface (UI), UI Components, User Interface (UI) Design, Front-End Web Development, Web Development, Typography, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Front-End Web Development, Frontend Performance, Web Content Accessibility Guidelines, Web Frameworks, UI Components, Web Analytics and SEO, User Interface (UI), Usability, Interaction Design, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Web Design, Web Development, Development Environment, Integrated Development Environments, Software Installation
Beginner · Course · 3 - 6 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development Tools, Web Design and Development, Web Design, Web Development, Front-End Web Development, Software Development Tools, Semantic Web, Development Environment, Integrated Development Environments
★ 3.1 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Interactive Design, Animations, Maintainability, Typography
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Javascript, JavaScript Frameworks, Software Testing, Unit Testing, Scripting, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Scripting Languages, Data Validation, Data Structures, Network Protocols, Verification And Validation
★ 3.8 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Event-Driven Programming, Javascript, Object Oriented Programming (OOP), Web Development, Scripting, Cascading Style Sheets (CSS), Data Validation, Prototyping, Programming Principles, Computational Logic, Code Reusability, Development Environment
Beginner · Course · 3 - 6 Months

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

Skills you'll gain: Web Applications, Web Development, Web Development Tools, HTML and CSS, JavaScript Frameworks, OAuth, UI Components, Frontend Integration, Front-End Web Development, Authentications, React.js, Development Environment, Javascript, Software Installation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks