1. Front-End Development

1. HTML (HyperText Markup Language): The structure and content of web pages.
2. CSS (Cascading Style Sheets): The styling and layout of web pages, including colors, fonts, and responsiveness.
3. JavaScript: Adds interactivity, such as animations, form validation, and dynamic content updates.

2. Back-End Development

1. Server-Side Languages: Examples include Node.js, Python, Java, and PHP.
2. Databases: Storing and managing data using systems like MySQL, PostgreSQL, or MongoDB.
3. APIs (Application Programming Interfaces): Allow different software components to communicate, like RESTful and GraphQL APIs.

3. Full-Stack Development