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78 Interview Questions For Web Development

HTML – Hypertext Markup Language

  1. Describe HTML?
  2. Write the basic structure of the HTML template?
  3. Name some new features which were not present in HTML but are added to HTML5?
  4. What is an Anchor tag and how can you open an URL into a new tab when clicked?
  5. Define Semantic elements in HTML?
  6. Define attributes in HTML tag?
  7. What are inline elements and block-level elements in HTML?
  8. How can we create a hyperlink in HTML?
  9. Why Meta tags are used in HTML?
  10. Explain list elements in HTML?
  11. Define iframe in HTML?
  12. What is the SVG element?
  13. Explain about Canvas?


  1. Why was CSS developed?
  2. What are the major versions of CSS?
  3. What are the different ways you could integrate CSS into your HTML page?
  4. What is the meaning of cascading? How do style sheets cascade?
  5. What are the advantages and disadvantages of using CSS?
  6. Name a few prominent CSS frameworks?
  7. What are the ways to assign a certain color to an element in CSS?
  8. Explain the CSS Box Model and its different elements?
  9. What is the z-index in CSS?
  10. Mention a few benefits of using CSS Sprites?
  11. What are pseudo-elements in CSS?
  12. What are the different media types allowed by CSS?
  13. What are the different units used in CSS?


  1. What is JavaScript and What is EcmaScript?
  2. What is the DOM and DOM Manipulation?
  3. What does the ?: mean?
  4. What is the difference between undefined and null?
  5. What is Event Handling?
  6. What is Hoisting, Scope, and Closure?
  7. What is the difference between == and ===?
  8. What is Template Literal?
  9. What is this keyword in Javascript?
  10. What is HOF (Higher Order Function)?
  11. What is an arrow function?
  12. What is Object Destructing?
  13. What are Promises?
  14. What is the difference between sync and async functions?
  15. What is AJAX, NaN, a new keyword, the falsy value in Javascript?

PHPHypertext Preprocessor

  1. What are the common uses of PHP?
  2. What is PEAR in PHP?
  3. Name a few prominent PHP frameworks?
  4. What is the difference between static and dynamic websites?
  5. What is the meaning of ‘escaping to PHP’?
  6. Is PHP a case-sensitive language?
  7. What are the characteristics of PHP variables?
  8. What are the rules for naming a PHP variable?
  9. What is the meaning of a final class and a final method?
  10. How can PHP and HTML interact?
  11. What are the data types in PHP?
  12. What are constructors and destructors in PHP?
  13. What are include() and require() functions?
  14. What are the different types of errors available in Php?
  15. What are the different types of Array in PHP?
  16. What is the difference between “echo” and “print” in PHP?


  1. Explain React in simple terms?
  2. Compare real DOM and virtual DOM?
  3. List some features of React?
  4. What is React JSX?
  5. Can browsers read JSX?
  6. Explain the working of virtual DOM?
  7. Differentiate between React and Angular?
  8. “Everything is a component in React.” Do you agree?
  9. What is the purpose of render() in React?
  10. What are the state and props in React?
  11. What are the phases in the lifecycle of a React component?
  12. How are refs used in React?
  13. Controlled vs. Uncontrolled components?
  14. Explain events in React?
  15. What is Redux? What are its components?


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