star iconstar iconstar iconstar iconstar icon

"Huge timesaver. Worth the money"

star iconstar iconstar iconstar iconstar icon

"It's an excellent tool"

star iconstar iconstar iconstar iconstar icon

"Fantastic catalogue of questions"

Ace your next tech interview with confidence

Explore our carefully curated catalog of interview essentials covering full-stack, data structures and alogithms, system design, data science, and machine learning interview questions

HTML5

100 HTML5 interview questions

Only coding challenges
Topic progress: 0%

HTML Basics


  • 1.

    What does HTML stand for and what is its purpose?

    Answer:
  • 2.

    Describe the basic structure of an HTML document.

    Answer:
  • 3.

    What do DOCTYPE and html lang attributes do?

    Answer:
  • 4.

    What is the difference between head and body tags?

    Answer:
  • 5.

    Can you explain the purpose of meta tags in HTML?

    Answer:
  • 6.

    How do you link a CSS file to an HTML document?

    Answer:
  • 7.

    How do you link a JavaScript file to an HTML document?

    Answer:
  • 8.

    How do you add a comment in HTML and why would you use them?

    Answer:
  • 9.

    How do you serve your page in multiple languages?

    Answer:
  • 10.

    What are data-* attributes and when should they be used?

    Answer:

Text Formatting in HTML


  • 11.

    What is the difference between b and strong tags?

    Answer:
  • 12.

    When would you use em over i, and vice versa?

    Answer:
  • 13.

    What is the purpose of small, s, and mark tags?

    Answer:
  • 14.

    What are semantic HTML tags and why are they important?

    Answer:
  • 15.

    How do you create a paragraph or a line break in HTML?

    Answer:

Links and Navigation


  • 16.

    How do you create a hyperlink in HTML?

    Lock icon indicating premium question
    Answer:
  • 17.

    What is the difference between relative and absolute URLs?

    Lock icon indicating premium question
    Answer:
  • 18.

    How can you open a link in a new tab?

    Lock icon indicating premium question
    Answer:
  • 19.

    How do you create an anchor to jump to a specific part of the page?

    Lock icon indicating premium question
    Answer:
  • 20.

    How do you link to a downloadable file in HTML?

    Lock icon indicating premium question
    Answer:

Images and Objects


  • 21.

    How do you embed images in an HTML page?

    Lock icon indicating premium question
    Answer:
  • 22.

    What is the importance of the alt attribute for images?

    Lock icon indicating premium question
    Answer:
  • 23.

    What image formats are supported by web browsers?

    Lock icon indicating premium question
    Answer:
  • 24.

    How do you create image maps in HTML?

    Lock icon indicating premium question
    Answer:
  • 25.

    What is the difference between svg and canvas elements?

    Lock icon indicating premium question
    Answer:

Lists


  • 26.

    What are the different types of lists available in HTML?

    Lock icon indicating premium question
    Answer:
  • 27.

    How do you create ordered, unordered, and description lists in HTML?

    Lock icon indicating premium question
    Answer:
  • 28.

    Can lists be nested in HTML? If so, how?

    Lock icon indicating premium question
    Answer:
  • 29.

    What attributes can you use with lists to modify their appearance or behavior?

    Lock icon indicating premium question
    Answer:

Forms and Input Elements


  • 30.

    What are HTML forms and how do you create one?

    Lock icon indicating premium question
    Answer:
  • 31.

    Describe the different form input types in HTML5.

    Lock icon indicating premium question
    Answer:
  • 32.

    How do you make form inputs required?

    Lock icon indicating premium question
    Answer:
  • 33.

    What is the purpose of the label element in forms?

    Lock icon indicating premium question
    Answer:
  • 34.

    How do you group form inputs and why would you do this?

    Lock icon indicating premium question
    Answer:

HTML5 Features


  • 35.

    What is new in HTML5 compared to previous versions?

    Lock icon indicating premium question
    Answer:
  • 36.

    How do you create a section on a webpage using HTML5 semantic elements?

    Lock icon indicating premium question
    Answer:
  • 37.

    What is the role of the article element in HTML5?

    Lock icon indicating premium question
    Answer:
  • 38.

    Can you explain the use of the nav and aside elements in HTML5?

    Lock icon indicating premium question
    Answer:
  • 39.

    How do you use the figure and figcaption elements?

    Lock icon indicating premium question
    Answer:

Tables


  • 40.

    How do you create a table in HTML?

    Lock icon indicating premium question
    Answer:
  • 41.

    What are thead, tbody, and tfoot in a table?

    Lock icon indicating premium question
    Answer:
  • 42.

    What is a colspan and rowspan?

    Lock icon indicating premium question
    Answer:
  • 43.

    How do you make a table accessible?

    Lock icon indicating premium question
    Answer:
  • 44.

    How can tables be made responsive?

    Lock icon indicating premium question
    Answer:

Media in HTML


  • 45.

    How do you add audio and video to an HTML document?

    Lock icon indicating premium question
    Answer:
  • 46.

    What are the attributes of the video and audio elements?

    Lock icon indicating premium question
    Answer:
  • 47.

    How do you provide subtitles or captions for video content in HTML?

    Lock icon indicating premium question
    Answer:
  • 48.

    What’s the difference between embedding and linking media?

    Lock icon indicating premium question
    Answer:

Responsive Design and Media Queries


  • 49.

    What is a viewport and how can you set it?

    Lock icon indicating premium question
    Answer:
  • 50.

    Can you describe the use of media queries in HTML?

    Lock icon indicating premium question
    Answer:
  • 51.

    How do you create responsive images with different resolutions for different devices?

    Lock icon indicating premium question
    Answer:
  • 52.

    What is responsive web design?

    Lock icon indicating premium question
    Answer:
  • 53.

    How do flexbox and grids help in creating responsive layouts?

    Lock icon indicating premium question
    Answer:

Accessibility


  • 54.

    What is accessibility and why is it important in web development?

    Lock icon indicating premium question
    Answer:
  • 55.

    How do you make a website accessible?

    Lock icon indicating premium question
    Answer:
  • 56.

    What are ARIA roles and how do you use them?

    Lock icon indicating premium question
    Answer:
  • 57.

    Explain how to use the tabindex attribute.

    Lock icon indicating premium question
    Answer:
  • 58.

    How do you ensure your images are accessible?

    Lock icon indicating premium question
    Answer:

Linking and Navigation Techniques


  • 59.

    How do you make a navigation bar in HTML?

    Lock icon indicating premium question
    Answer:
  • 60.

    What’s the significance of breadcrumb navigation?

    Lock icon indicating premium question
    Answer:
  • 61.

    How do you create a dropdown menu in HTML?

    Lock icon indicating premium question
    Answer:
  • 62.

    Explain the use of the target attribute in a link.

    Lock icon indicating premium question
    Answer:
  • 63.

    How do you create a slidedown menu?

    Lock icon indicating premium question
    Answer:

Advanced HTML Technologies


  • 64.

    What are Web Components and how are they used?

    Lock icon indicating premium question
    Answer:
  • 65.

    What is Shadow DOM and how do you use it?

    Lock icon indicating premium question
    Answer:
  • 66.

    How do you create a custom HTML element?

    Lock icon indicating premium question
    Answer:
  • 67.

    Explain HTML templates and their use cases.

    Lock icon indicating premium question
    Answer:
  • 68.

    How do you use server-sent events?

    Lock icon indicating premium question
    Answer:

SEO and HTML


  • 69.

    How do you optimize HTML for search engines?

    Lock icon indicating premium question
    Answer:
  • 70.

    What is semantic HTML and how does it relate to SEO?

    Lock icon indicating premium question
    Answer:
  • 71.

    Explain the significance of heading tags for SEO.

    Lock icon indicating premium question
    Answer:
  • 72.

    How do structured data and schemas enhance SEO?

    Lock icon indicating premium question
    Answer:
  • 73.

    What are the best practices for using HTML with SEO?

    Lock icon indicating premium question
    Answer:

HTML APIs


  • 74.

    What is the Geolocation API and how is it used?

    Lock icon indicating premium question
    Answer:
  • 75.

    How do you utilize local storage and session storage in HTML?

    Lock icon indicating premium question
    Answer:
  • 76.

    Can you describe the use of the Drag and Drop API?

    Lock icon indicating premium question
    Answer:
  • 77.

    What is the Fullscreen API and why would you use it?

    Lock icon indicating premium question
    Answer:

Internationalization


  • 78.

    How do you handle character encoding in HTML?

    Lock icon indicating premium question
    Answer:
  • 79.

    What is the lang attribute and its importance in HTML?

    Lock icon indicating premium question
    Answer:
  • 80.

    How do you accommodate left-to-right and right-to-left language support in HTML?

    Lock icon indicating premium question
    Answer:

HTML and Web Development Tools


  • 81.

    How do you validate HTML?

    Lock icon indicating premium question
    Answer:
  • 82.

    What are the benefits of using an HTML preprocessor like Pug (Jade)?

    Lock icon indicating premium question
    Answer:
  • 83.

    How does a templating engine work with HTML?

    Lock icon indicating premium question
    Answer:
  • 84.

    What are browser developer tools, and how do you use them with HTML?

    Lock icon indicating premium question
    Answer:

HTML Best Practices


  • 85.

    What are some common bad practices in HTML?

    Lock icon indicating premium question
    Answer:
  • 86.

    How can you ensure that your HTML code follows best practices?

    Lock icon indicating premium question
    Answer:
  • 87.

    What are the benefits of minifying HTML documents?

    Lock icon indicating premium question
    Answer:
  • 88.

    How do you optimize the loading time of an HTML page?

    Lock icon indicating premium question
    Answer:

HTML Frameworks and Libraries


  • 89.

    What are some popular CSS frameworks that can be integrated with HTML?

    Lock icon indicating premium question
    Answer:
  • 90.

    How do frameworks like Bootstrap simplify HTML development?

    Lock icon indicating premium question
    Answer:
  • 91.

    Can you name some JavaScript libraries that enhance HTML interactivity?

    Lock icon indicating premium question
    Answer:

Advanced HTML Topics


  • 92.

    What are data visualizations in HTML and how can they be implemented?

    Lock icon indicating premium question
    Answer:
  • 93.

    Can you explain how progressive enhancement is applied in HTML?

    Lock icon indicating premium question
    Answer:
  • 94.

    How are HTML, CSS, and JavaScript interconnected in web development?

    Lock icon indicating premium question
    Answer:
  • 95.

    Discuss the importance of documentation in HTML.

    Lock icon indicating premium question
    Answer:

HTML 5.1, 5.2, and Beyond


  • 96.

    What updates were introduced in HTML 5.1 and 5.2?

    Lock icon indicating premium question
    Answer:
  • 97.

    What future updates do you see coming for HTML?

    Lock icon indicating premium question
    Answer:
  • 98.

    How does HTML continue to evolve with web standards?

    Lock icon indicating premium question
    Answer:
  • 99.

    What is the Living Standard and how does HTML adhere to it?

    Lock icon indicating premium question
    Answer:

HTML Challenges and Real-world Scenarios


  • 100.

    How do you handle multiple browser support and compatibility issues with HTML?

    Lock icon indicating premium question
    Answer:
folder icon

Unlock interview insights

Get the inside track on what to expect in your next interview. Access a collection of high quality technical interview questions with detailed answers to help you prepare for your next coding interview.

graph icon

Track progress

Simple interface helps to track your learning progress. Easily navigate through the wide range of questions and focus on key topics you need for your interview success.

clock icon

Save time

Save countless hours searching for information on hundreds of low-quality sites designed to drive traffic and make money from advertising.

Land a six-figure job at one of the top tech companies

amazon logometa logogoogle logomicrosoft logoopenai logo
Ready to nail your next interview?

Stand out and get your dream job

scroll up button

Go up