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Basic HTML Interview Questions

Here are some basic interview questions related to HTML that can help you prepare:

  1. What is HTML?
    HTML (HyperText Markup Language) is the standard language used to create and design web pages and web applications.
  2. What is the basic structure of an HTML document?
    Explain the roles of <!DOCTYPE html>, <html>, <head>, <title>, and <body> tags. Mention that the <head> contains meta-information (not displayed) and the <body> contains the visible content.
  3. What are HTML elements and tags?
    HTML elements are building blocks of HTML pages. Tags are used to mark the beginning and end of an HTML element, enclosed in angle brackets, such as <tagname> and </tagname>.
  4.  What is the difference between <div> and <span>?
    <div>: A block-level element used to group other elements for styling purposes or layout.
    <span>: An inline element used to group text or other inline elements for styling.
  5. What are the key HTML5 features?
    HTML5 introduced new elements (such as <header>, <footer>, <article>, <section>), new attributes, multimedia support (audio and video), local storage, new form controls, and more.
  6. Explain the purpose of the <!DOCTYPE> declaration.
    The <!DOCTYPE> declaration defines the document type and version of HTML being used, ensuring the browser renders the page correctly.
  7. What is the difference between HTML and XHTML?
    HTML: Standard markup language for web pages, more lenient with syntax.
    XHTML: A stricter, XML-based version of HTML, requiring well-formed syntax.
  8. What is semantic HTML?
    Semantic HTML uses elements that convey meaning about the content, making it easier for search engines and assistive technologies to understand, such as <article>, <section>, <nav>, and <aside>.
  9.  What are attributes in HTML?
    Attributes provide additional information about HTML elements.

    • src (for <img>): Specifies the image source.
    • href (for <a>): Specifies the link destination.
    • alt (for <img>): Provides alternative text for images (important for accessibility).
    • class and id: Used for styling and scripting.

    Example: <img src="image.jpg" alt="Description">.
  10. What is the purpose of the <meta> tag? Give examples.
     The <meta> tag provides metadata about the HTML document. Examples:
    • charset: Specifies character encoding (e.g., UTF-8).
    • viewport: Configures the viewport for responsiveness.
    • description: Provides a description of the page for search engines.
    • keywords: Specifies keywords for search engines (less important now).
  11. How do you create a hyperlink in HTML?
    Use the <a> tag with the href attribute.
    Example: <a href="https://example.com">Link Text</a>.
  12. How can you include comments in HTML?
    Comments are added with <!-- comment --> and are not displayed in the browser.


Tips for the Interview:

  • Be prepared to write some basic HTML code snippets.
  • Explain your reasoning clearly.
  • If you don't know the answer, be honest, but try to demonstrate your understanding of related concepts.
  • Ask clarifying questions if you're unsure about the question.


This should give you a good foundation for answering basic HTML interview questions. Remember to practice and try building simple webpages to solidify your knowledge.

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