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: Javascript, Scripting Languages, Node.JS, TypeScript, Data Manipulation, JSON, Web Development Tools, Generative AI, Data Structures, Programming Principles, Object Oriented Programming (OOP), Web Servers, Development Environment
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: User Accounts, MongoDB, Full-Stack Web Development, JavaScript Frameworks, Command-Line Interface, Web Applications, Web Development, Javascript, Data Access, Data Validation, Query Languages
Mixed · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Javascript, Pseudocode, Programming Principles, Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: Computational Thinking, JSON, Application Deployment, Data Structures, Javascript, Application Development, HTML and CSS, Data Analysis, Code Review, Software Development, Data Visualization Software, Web Development, Scripting, Prototyping, Data Processing, Programming Principles, Unsupervised Learning, Front-End Web Development, Data Science, Computer Programming
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Front-End Web Development, User Interface and User Experience (UI/UX) Design, UI Components, Typography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Data Structures, Javascript, Application Programming Interface (API), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Web Development, Web Applications, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Object Oriented Programming (OOP), Node.JS, Unit Testing, React.js, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Web Applications, Javascript, Web Development, Node.JS, Web Servers, Hypertext Markup Language (HTML), Java Programming
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Ajax, Javascript and jQuery, Data Validation, JSON, Javascript, Event-Driven Programming, Web Development Tools, Application Programming Interface (API), Object Oriented Programming (OOP), Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Interactive Design, Web Applications, Interaction Design, Scripting, UI Components, Web Development, Scripting Languages, Data Validation
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Web Development Tools, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Application Security, Serverless Computing, Secure Coding, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Cloud Services, Web Applications, Cloud Platforms, Javascript, Node.JS, Amazon Web Services
Intermediate · Course · 1 - 4 Weeks