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Front-End Developer Interview Questions

Last updated February 6, 2026
Edited by
Edited by
Last updated February 6, 2026
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6 min read

When interviewing front-end developers,  you can ask technical questions to identify ​​important skills. These include in-depth knowledge of HTML5, an understanding of key website design principles, testing and debugging and advanced problem-solving.

Strong candidates for this role can demonstrate a user-focused mindset and experience implementing usability and accessibility standards. They may also come from unexpected backgrounds, such as product design or usability research.

In this article, software engineer P. Todd Decker reviews front-end developer interview questions and provides samples of candidate answers.

  1. How do you ensure that your website design or web application is accessible and user-friendly? See answer
  2. What are your favorite features of HTML5 and how have you implemented them in your front-end development projects? See answer
  3. How do you structure your CSS and JavaScript to make it easier for other developers to work with? See answer
  4. Can you explain the concept of the CSS float property and provide an example of its usage? See answer
  5. What’s your process for addressing browser-specific rendering problems? Do you find that a particular browser is more challenging to work with than others? See answer
  6. What resources do you use to learn about the latest in front-end development and design? See answer
  7. What are your favorite types of front-end development projects to work on? What do you like about them? See answer
  8. What do you think are the most important aesthetic aspects of a webpage and why? See answer
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Hire your next Front-End Developer today.

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Indeed’s Employer Guide helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

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8 Front-End Developer Interview Questions and Answers

How do you ensure that your website design or web application is accessible and user-friendly?

Front-end developers require a strong understanding of usability and accessibility when designing experiences for end users. This question provides insight into their knowledge of these standards and best practices. Evaluate responses that demonstrate:

  • First-hand experience implementing usability and accessibility standards
  • Drive to create a web experience that’s accessible to all end users
  • Ways that the applicant has implemented usability and accessibility in their previous projects
Example:

“I test my web applications on various browsers and devices to check whether the experience is usable on all devices. I also use popular screen-reading software and other assistive solutions to see whether it’s accessible for all potential users.”

What are your favorite features of HTML5 and how have you implemented them in your front-end development projects?

Front-end developers spend a significant amount of time using HTML5 when they’re designing websites and have access to a wide range of features that can save development time and improve the end product. Evaluate responses that demonstrate:

  • In-depth knowledge of HTML5 features
  • Clear explanation of how the applicant used HTML5 in past projects
  • Creative usage of HTML5 features
Example:

“I enjoy the way HTML5 handles multimedia support compared to previous versions. I use this feature to develop a front-end design that incorporates videos and audio as an essential part of the experience without worrying about it not loading properly or breaking the page.”

How do you structure your CSS and JavaScript to make it easier for other developers to work with?

Front-end developers often work on code created by previous employees or operate as part of a team. This question can help you evaluate whether they can create websites or web applications that other employees can understand. Evaluate responses that demonstrate:

  • Experience with code organization and code commenting
  • First-hand knowledge of what happens when code isn’t commented appropriately
  • Willingness to make things easier for other development teams
Example:

“I organize my stylesheets with sections for each site component. Each section has comments throughout the code so other developers can change it.”

Can you explain the concept of the CSS float property and provide an example of its usage?

This technical question tests the applicant’s understanding of a common CSS element to help screen the interviewee and ensure that they’re skilled with CSS. Evaluate responses that demonstrate:

  • Concrete definition of the CSS float property
  • Examples of how the applicant uses this element in their code
  • Confidence in explaining this technical concept to any audience
Example:

“The CSS float property tells the browser to put a particular element to the right side or the left side of the container. I use float behavior when I’m developing a page that dynamically resizes based on the user's resolution.”

What’s your process for addressing browser-specific rendering problems? Do you find that a particular browser is more challenging to work with than others?

Front-end developers are often required to introduce browser-specific hacks into web applications and pages due to the way each application handles rendering. Qualified candidates are familiar with this common process. Evaluate responses that demonstrate:

  • Examples of browser-specific workarounds
  • Understanding of how browsers render apps and pages
  • Knowledge of troubleshooting browser-specific problems
Example:

“I often encounter layout issues that require adjusting the positioning of ‹div› elements specifically for Microsoft Edge. Compared to Chrome or Firefox, Edge tends to render certain CSS properties differently, especially in older versions. To resolve these issues, I typically use browser-specific CSS fixes or test layout changes with developer tools to ensure consistent behavior across all major browsers.”

What resources do you use to learn about the latest in front-end development and design?

Technology and standards change constantly in front-end development. Applicants who embrace learning can often discover new ways to improve the development process and enhance the experience for end users.

“Forward-thinking front-end developers are ideally ready to talk about how they leverage emerging tools, like AI-assisted coding and automated debugging, to accelerate their workflow. Candidates who can articulate how these technologies enhance their productivity and problem-solving may stand out in modern technical interviews.” —P. Todd Decker, software engineer

Evaluate responses that demonstrate:

  • Examples of publications, blogs and YouTube influencers that the applicant reads and follows
  • Participation in open source or personal front-end development projects
  • Enrollment in continuing education workshops, certification programs or online courses
Example:

“In addition to participating in forums like Stack Overflow, I stay current by following several front-end development blogs and YouTube channels. Influencers such as Kevin Powell and Fireship often break down the latest CSS features and JavaScript trends in practical, easy-to-digest formats. I also subscribe to newsletters like Frontend Focus to keep up with new tools, frameworks and best practices.”

What are your favorite types of front-end development projects to work on? What do you like about them?

This question provides insight into the personal preferences of the front-end developer. Some applicants may prefer to work only on website projects, while others enjoy being involved in web application teams more. Evaluate responses that demonstrate:

  • Strong opinion on their favorite types of development
  • Enthusiasm for the project types they describe
  • Examples of their favorite front-end development projects
Example:

“I recently worked on a web application for a local hospital. It streamlined the patient intake process and I loved knowing that my work helped patients get the help they needed faster.”

What do you think are the most important aesthetic aspects of a webpage and why?

An effective front-end developer can balance creative design with the technical skills required to build a website. They consider what makes a website most appealing to visitors while maintaining functionality. Front-end developers may have different opinions on how to create an impactful design, but they can explain their creative process and the reasoning behind their aesthetic choices. Interviewers can use this question to identify candidates with strong artistic capabilities. Elements of an effective answer may include:

  • Example of web page elements
  • Discussion of personal style choices
  • User-focused mindset
  • Good front-end developers understand key standards like WCAG, ARIA roles and semantic HTML to ensure sites are accessible, user-friendly and inclusive
Example:

“I prefer a minimalist design approach that aligns with usability standards like the Web Content Accessibility Guidelines (WCAG) and Nielsen’s usability heuristics. I focus especially on the header and landing page since they shape the first impression and guide user interaction. Using accessible color contrasts, readable typography and clear visual hierarchy helps ensure that users of all abilities can navigate the site effectively without distraction.”

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