HTML is the foundation of web development and almost every frontend or full-stack developer interview starts with HTML basics. Even experienced developers are often asked fundamental HTML questions to test their core understanding.
In this post, we’ll cover 10 most commonly asked HTML interview questions with simple and practical explanations.
1. What is HTML?
HTML stands for HyperText Markup Language. It is used to structure content on web pages such as text, images, links, forms, tables, and multimedia.
It is not a programming language — it is a markup language that uses tags to define webpage structure.
Example:
Hello World
This is HTML content
2. What is the Basic Structure of an HTML Document?
Every HTML document follows a standard structure.
Example:
<!DOCTYPE html>
My Page
Content goes here
Explanation:
- <!DOCTYPE html> → Declares HTML5
- → Root element
- → Metadata
- → Visible content
3. What is the Difference Between HTML Elements and Tags?
HTML Tag
Tags are keywords wrapped inside angle brackets.
Example:
HTML Element Element includes opening tag + content + closing tag. _Example:_
This is paragraph
4. What are Semantic HTML Tags?
Semantic tags describe the meaning of content clearly to browsers and search engines.
Examples:
Why Important?
- Improves SEO
- Improves accessibility
- Makes code readable
5. What is the Difference Between Block and Inline Elements?
Block Elements
Take full width, Start on new line
Examples:
Inline Elements Take only required width Do not start new line
Examples:
For more Practice: https://www.quipoin.com/exercise/html
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