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.

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

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

Infosec
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), Secure Coding, Package and Software Management, Node.JS, Vulnerability Management, Javascript, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Front-End Web Development, Real Time Data, Data Storage, Maintainability, Data Validation, Event-Driven Programming, Performance Tuning, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Javascript, Application Deployment, Application Development, Web Applications, JSON, GitHub, Debugging, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Full-Stack Web Development, MongoDB, Application Design, Cloud Development, Application Deployment, Cloud Applications, Node.JS, React.js, DevOps, NoSQL, Database Management, Kubernetes, JavaScript Frameworks, Front-End Web Development, Software Architecture, Web Applications, Authorization (Computing), Back-End Web Development, Javascript
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Browser Compatibility, HTML and CSS, Web Design, Responsive Web Design, Usability, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Design and Development, Browser Compatibility, Web Development, Cascading Style Sheets (CSS), Web Content, Microsoft Visual Studio, Integrated Development Environments
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, Development Testing, Web Applications, JSON
Intermediate · Course · 1 - 3 Months