HTML Interview Questions and Answers 2026
Web Development Institute – Best Computer & Web Designing Institute in Rohini, Delhi
HTML (HyperText Markup Language) is the foundation of web development. Every website, landing page, and web application starts with HTML. If you are learning web designing or front-end development, HTML interview questions are very important for both freshers and experienced candidates.
At Web Development Institute, Rohini, Delhi, students learn HTML with live practice, real website projects, and interview preparation. Below are unique HTML interview questions and answers written in simple language for easy understanding.
1. What is HTML?
Answer: HTML stands for HyperText Markup Language. It is used to create the structure of web pages using elements like headings, paragraphs, images, links, and forms.
2. Why is HTML important in web development?
Answer: HTML provides the basic structure of a website. Without HTML, CSS and JavaScript cannot work properly. It defines what content appears on the page.
3. What are HTML tags?
Answer: HTML tags are keywords enclosed in angle brackets < > that tell the browser how to display content.
Example: <p>, <h1>, <img>
4. What is the difference between HTML and HTML5?
Answer: HTML5 is the latest version of HTML with advanced features like:
- Audio & Video support
- Semantic tags
- Local storage
- Better mobile support
5. What are semantic HTML elements?
Answer: Semantic elements clearly describe their meaning.
Examples: <header>, <nav>, <section>, <article>, <footer>
They improve SEO and website accessibility.
6. What is the use of <DOCTYPE> in HTML?
Answer: <!DOCTYPE html> tells the browser which HTML version is used and ensures proper rendering of the webpage.
7. Difference between block-level and inline elements?
Answer:
- Block elements: Start on a new line (<div>, <p>, <h1>)
- Inline elements: Stay in the same line (<span>, <a>, <img>)
8. What is an attribute in HTML?
Answer: Attributes provide extra information about HTML elements.
Example: <img src="image.jpg" alt="photo">
9. What is the use of alt attribute?
Answer: The alt attribute provides alternative text for images, helping:
- SEO ranking
- Screen readers
- Image loading issues
10. What is a hyperlink?
Answer: A hyperlink connects one webpage to another using the <a> tag.
Example: <a href="https://nextgclasses.com">Visit Next G Classes</a>
11. What is the difference between <div> and <span>?
Answer:
- <div> is a block-level element
- <span> is an inline element
12. What are HTML forms?
Answer: HTML forms collect user input like name, email, password, etc., using <form> tag.
13. What input types are used in forms?
Answer: Common input types:
- text
- password
- radio
- checkbox
- submit
14. What is the use of <iframe>?
Answer: <iframe> is used to embed another webpage or video inside a webpage (e.g., YouTube videos, Google Maps).
Categories: web designing web development html