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: Algorithms, Javascript, Data Structures, Theoretical Computer Science, Computational Thinking, Programming Principles, Performance Tuning, Debugging
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Program Development, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Code Reusability, Web Development Tools, React.js
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: Vue.JS, JavaScript Frameworks, Web Development Tools, Front-End Web Development, Event-Driven Programming, Javascript, UI Components, Development Environment, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, Hypertext Markup Language (HTML), HTML and CSS, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Browser Compatibility, Web Development Tools, Javascript, Bootstrap (Front-End Framework), Web Design and Development, Debugging, Front-End Web Development, Verification And Validation, Web Development, Mockups, Interactive Design, Event-Driven Programming, Web Frameworks
Beginner · Specialization · 3 - 6 Months

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

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, Web Development, Front-End Web Development, UI Components, Application Frameworks, Design Elements And Principles, Typography, Maintainability
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, Web Development, Data Validation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, 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, Design, Web Development Tools, Typography, Animations
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, Exploitation techniques, Web Applications, Javascript, Web Development, Node.JS, Java Programming
Intermediate · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Software Development Life Cycle, Systems Development Life Cycle, Program Development, Plot (Graphics), Data Presentation, Event-Driven Programming, Web Design and Development, Web Development Tools, Data Literacy, Animation and Game Design, Software Development, Hypertext Markup Language (HTML), Applied Machine Learning, Javascript, Interactive Design, Visualization (Computer Graphics), Graphics Software, Software Design, Computer Graphics, Code Reusability
Beginner · Specialization · 3 - 6 Months

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