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.

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

Skills you'll gain: JSON, Javascript, Ajax, JavaScript Frameworks, Web Development Tools, Software Testing, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Web Servers, Data Validation, Data Structures
Beginner · Course · 1 - 3 Months

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

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

Skills you'll gain: Event-Driven Programming, Javascript, Object Oriented Programming (OOP), Web Development, Web Design and Development, Scripting, UI Components, Data Validation, Programming Principles, Development Environment
Beginner · Course · 3 - 6 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, Web Design, Hypertext Markup Language (HTML), Web Development, Debugging, Web Applications, No-Code Development, Front-End Web Development, Development Environment, Web Development Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Applications, Web Design and Development, Web Design, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: React.js, Full-Stack Web Development, UI Components, Node.JS, Application Deployment, Javascript, Web Applications, Front-End Web Development, Web Development Tools, Event-Driven Programming, Back-End Web Development, Context Management, Data Persistence, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Angular, Responsive Web Design, HTML and CSS, Web Design and Development, JavaScript Frameworks, Web Applications, Web Components
Beginner · Guided Project · Less Than 2 Hours

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

Coursera
Skills you'll gain: Javascript, User Interface (UI), Web Development, Web Development Tools, HTML and CSS, Scripting, Scripting Languages
Beginner · Guided Project · Less Than 2 Hours