**Definition:**
Web technologies are tools and techniques used to create, manage, and interact with websites and web applications. They include programming languages, frameworks, and protocols that enable the functioning of the internet.

**Key ideas:**
- **HTML (HyperText Markup Language):** The standard language for creating web pages.
- **CSS (Cascading Style Sheets):** Used to style and layout web pages, controlling appearance and design.
- **JavaScript:** A programming language that adds interactivity and dynamic features to websites.
- **Web Protocols:** Rules like HTTP and HTTPS that govern how data is transmitted over the internet.

**Why this topic matters in this category:**
Understanding web technologies is essential for building and maintaining effective online platforms in today's digital world.