Web Developer Mock Interview

To help you prepare for your Web Developer interview, here are 30 interview questions and answer examples.

Web Developer was written by and updated on August 5th, 2021. Learn more here.

Question 1 of 30

Can you explain what a RESTful web service is and the purpose of each HTTP request method?

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List of 30 Web Developer Interview Questions & Answers

  1. 1.

    Can you explain what a RESTful web service is and the purpose of each HTTP request method?

  2. 2.

    What frameworks and tools do you use to identify and fix a performance bug?

  3. 3.

    What do you do when an application stops working?

  4. 4.

    Tell me some considerations in selecting a font size for an adaptive web site.

  5. 5.

    Explain to me briefly what the hide function is actually doing in jQuery withi the CSS.

  6. 6.

    Do you know the programming language we primarily use?

  7. 7.

    How does the browser determine where to place positioned elements?

  8. 8.

    What was your most successful website ever created? Why did it go so well?

  9. 9.

    Tell me about the most challenging website you created from start to finish.

  10. 10.

    What are the possible values for the display attributes that are supported by all browsers?

  11. 11.

    How would you write an SQL statement that would select only customers who made multiple orders within a single week?

  12. 12.

    What was your least favorite website you've created? Why did you feel this way?

  13. 13.

    Do you enjoy working long hours on projects?

  14. 14.

    Name several reasons why a website is not performing well or is slow to respond to user prompts.

  15. 15.

    What are the five possible values for position for elements in a web page?

  16. 16.

    What is the default value for the display attribute for the image element?

  17. 17.

    Which responsive frameworks do you work with or recommend?

  18. 18.

    Can you list some of the input types that are new to HTML5?

  19. 19.

    Using jQuery, if you wanted to make a div move along the screen, what function would you most likely use?

  20. 20.

    Which Content Management Systems (CMS) have you worked with?

  21. 21.

    What's the difference between SOAP and REST?

  22. 22.

    Pretend I'm a tech novice. Can you explain what Namespacing in JavaScript is in plain English?

  23. 23.

    Have you ever done pair programming, and if so, what do you think of it?

  24. 24.

    Can you describe the workflow you use when developing a website or app?

  25. 25.

    What do you know about CORS?

  26. 26.

    How do you organize your JavaScript code?

  27. 27.

    When developing a web application, do you prioritize SEO, maintainability, UX, performance, or security?

  28. 28.

    Can you discuss the use of namespacing in JavaScript?

  29. 29.

    Can you review this code and identify any errors you see?

  30. 30.

    What are the differences between JPEG and PNG compression, and when would you use each of these?