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: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, Web Design, Web Development, UI Components, Front-End Web Development, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Ajax, Responsive Web Design, HTML and CSS, Javascript and jQuery, Application Deployment, Web Development, Semantic Web, JSON, User Interface (UI), Data Validation, Payment Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Unit Testing, Programming Principles, Javascript, React Native, JSON, Computer Programming, Node.JS, Object Oriented Programming (OOP), Software Testing, Functional Design
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Design, Web Content, Web Design and Development, Web Development, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Development, Web Design and Development, Web Development Tools, Web Design
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, UI Components, Web Design, Front-End Web Development, Animations, Mockups, User Interface (UI), Web Development, Debugging
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Scripting, Web Design and Development, Event-Driven Programming, Programming Principles, Integrated Development Environments, User Interface (UI), Debugging
Beginner · Course · 1 - 4 Weeks

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

Microsoft
Skills you'll gain: Performance Tuning, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Web Applications, Test Driven Development (TDD), Node.JS, Debugging, Maintainability, Javascript, Software Architecture, JSON, Real Time Data, Data Transformation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Interactive Design, Color Theory, User Interface (UI), Web Development
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Authentications, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Security Controls
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Scripting, Scripting Languages, Javascript, UI Components, Web Development Tools, Game Design, Object Oriented Programming (OOP), Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks