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.

Skills you'll gain: Responsive Web Design, User Interface (UI), Cascading Style Sheets (CSS), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Web Applications, Web Design and Development, Web Development, Front-End Web Development, HTML and CSS, Javascript, Web Design, Real Time Data, Hypertext Markup Language (HTML), Application Programming Interface (API), Event-Driven Programming, Animations
Advanced · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Microservices, Frontend Integration, JavaScript Frameworks, Microarchitecture, Front-End Web Development, Event-Driven Programming, Web Design, Secure Coding, Software Design, Scalability, Server Side, Maintainability, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Design and Development, HTML and CSS, Frontend Integration, Web Design, Responsive Web Design, Cascading Style Sheets (CSS), Context Management, Application Programming Interface (API), Hypertext Markup Language (HTML), Development Environment, User Accounts, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, Angular, Web Components, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, UI Components, HTML and CSS, Code Reusability, User Interface (UI), Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Model View Controller, ASP.NET, OAuth, API Design, Web Development, Application Programming Interface (API), .NET Framework, Web Services, Authentications, Unit Testing, Back-End Web Development, C# (Programming Language), Web Applications, Object-Relational Mapping, Application Frameworks, API Testing, Authorization (Computing), Cloud Computing, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Programming Interface (API), Web Applications, Back-End Web Development, Web Development Tools, Frontend Integration, API Testing, Web Development, Javascript, JSON, Application Security, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Video Game Development, Web Applications, Programming Principles, Data Storage Technologies, Scripting Languages, Data Persistence, Computer Programming, Data Storage, Computational Logic, Front-End Web Development, Web Development
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, Javascript, Data Manipulation, HTML and CSS, Data Validation, UI Components, Scripting, Event-Driven Programming, Computational Thinking, JavaScript Frameworks, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Program Development, Game Design, Frontend Performance, Event Monitoring
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Video Game Development, Game Design, Program Development, Web Development Tools, Software Development, Software Development Tools, Computer Programming Tools, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Integrated Development Environments, Maintainability, Programming Principles, Data Structures, Code Reusability, Software Design, Computer Programming, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Server Side, Node.JS, Restful API, Database Design, Front-End Web Development, React Redux, Ajax, Database Development, Database Application, Full-Stack Web Development, Back-End Web Development, NoSQL, Javascript, React.js, Performance Tuning, API Design, Data Structures, MongoDB, Debugging, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months