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Front-End Developer Test: Assess skills and find the best front-end developer

A Front-end Developer Test is a technical assessment to evaluate front-end developers' technical skills, knowledge, and abilities. This test covers various topics, including HTML elements, HTML5 semantics, CSS application, CSS3 backgrounds, and more. With an emphasis on practical coding skills, this test includes a front-end coding test to identify top tech talent and ensure that qualified candidates have the technical proficiency needed for front-end development roles.

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Inside this Front-End Developer Test

The Front-end Developer Test is a holistic evaluation crafted to provide hiring managers and recruiters with comprehensive insights to identify skilled front-end developers with essential competencies to excel in their roles. This test comprises questions on multiple topics, including CSS, HTML, and HTML5 concepts, as well as various CSS3 applications and properties.

The test includes a coding assessment using a front-end simulator, which helps candidates showcase their HTML and CSS proficiency in a simulated environment. This way, recruiting managers can determine a person's ability to apply HTML elements and attributes, make responsive web designs, and understand CSS properties such as margins, texts, borders, backgrounds, transformations, and shadows. 

The CSS section of the Front-End Web Developer Test evaluates candidates' conceptual and application-based knowledge of CSS properties pertaining to text, borders, backgrounds, margins, transformations, and shadows. The HTML portion of the assessment helps assess test-takers' understanding and application of HTML5 multimedia, semantics, and attributes,

The test is designed to thoroughly vet candidates and evaluate their technical expertise in front-end development. It enables employers to find candidates who can create exceptionally appealing, responsive, and interactive web pages and have an in-depth understanding of modern CSS and HTML standards. 

Screen candidates for the following roles using this test:  

  • HTML and CSS developer  
  • Web developer  
  • Front-end developer


A front-end developer creates and oversees the design and practicality of web applications using an amalgamation of UX, user interface (UI), programming abilities and visual design. By consolidating HTML, JavaScript, and CSS - the building blocks of front-end development, they can forge every component that a user sees and engages with on a website. These components usually include sliders, drop-down menus, buttons, and content optimization for faster page loading speed. If not for front-end developers, who build a user interface with back-end codes, the web would not be what it is today.

These accomplished professionals are also required to check front-end functionality. By obtaining data from automated and manual testing efforts, they help improve client-side functionality. In addition, they perform test runs to ensure that the back-end integrations work synchronously with front-end functionality.

The demand for accomplished developers has never been higher, and employers are hard-pressed to find the most suitable tech talent to deliver on projects. However, finding the crème de la crème from a vast talent pool with almost similar qualifications and skills is challenging for organizations.

Companies need to devote substantial time and effort to attract, identify, and onboard the candidates with desired attributes. There is a probability of good talent not being considered because of some implicit bias or other factors, such as a poorly formatted CV or education gaps. The likelihood of selecting candidates with nicely embellished CVs and no relevant technical skills exists.

In a competitive landscape where companies of all sizes are looking for highly skilled front-end developers for their project requirements, how do they screen out the most suitable candidate efficiently and effortlessly? That is where the Front-end Developer Test plays a pivotal part in assessing and hiring top tech talent without subjectivity or bias. A Front-end Development Assessment allows employers to determine candidates' technical skills by competency level, technical field, and proficiency in programming languages and frameworks. 

The Front-end Developer Test helps assess the technical skills of job applicants, ensuring that they possess the desired level of expertise in HTML, CSS, and other relevant front-end technologies. This testing methodology helps employers identify skilled front-end developers who can contribute to the team's productivity from the first day at work.

This test provides a data-driven approach to identifying candidates who can write well-structured, efficient, and maintainable code. In addition, it understands a person's emphasis on code quality and best practices, which helps employers identify candidates who can deliver high-quality front-end code and contribute to faster development cycles and better productivity.

Since the test includes problem-solving exercises related to front-end development, it offers insights into candidates' critical thinking and analytical skills. It uncovers how productive they will likely be in real-world development scenarios, where problem-solving skills are a must-have.

Most importantly, this time-limited test is an excellent way to assess test-takers' ability to utilize their time skillfully and deliver projects within stipulated deadlines. Time management skills are crucial for front-end developers who must handle multiple assignments simultaneously and succeed in project milestones, ensuring they are resourceful and deadline driven.

The Front-end Developer Test can help organizations achieve peak productivity by measuring applicants' domain knowledge, skills, code quality, time management, and job fit. Tech professionals who excel in these areas will prove indispensable at work.


This Front End Developer Test is a part of following Skills Libraries

Hire smarter and faster with this front-end skills assessment. Evaluate candidates' proficiency in HTML, CSS, and JavaScript through domain and simulator-based assessments. Streamline your hiring process with Mercer| Mettl online front-end test.

Front-End Developer Test Competency Framework

Get a detailed look inside the test

Front-End Web Developer Test Competencies Under Scanner

Front-End Developer Test


Front end simulator

This Front-end Developer Test includes a practical hands-on coding question for assessing a candidate's HTML and CSS web development skills on a front-end simulator.


This technical test evaluates the candidate's strength in the following subskills: HTML - Elements, HTML - Attributes, HTML5 - Elements, HTML5 - Semantics, HTML5 - Multimedia, and HTML5 - Attributes.


This Front-end Web Developer Test evaluates the candidate's proficiency in the following subskills: CSS - Text application, CSS - Margins, CSS- Transformation application, CSS3- Backgrounds application, CSS3- Borders, CSS3- Text application, CSS3 - Shadows - Application, and CSS3- Transformations application.

Customize This Front End Developer Coding Test

Flexible customization options to suit your needs

Set difficulty level of test

Choose easy, medium or hard questions from our skill libraries to assess candidates of different experience levels.

Combine multiple skills into one test

Add multiple skills in a single test to create an effective assessment. Assess multiple skills together.

Add your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.

Request a tailor-made test

Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

The Mercer | Mettl Front End Developer Test Advantage

The Mercer | Mettl Edge
  • Industry Leading 24/7 Support
  • State of the art examination platform
  • Inbuilt Cutting Edge AI-Driven Proctoring
  • Simulators designed by developers
  • Tests Tailored to Your business needs
  • Support for 20+ Languages in 80+ Countries Globally

Front End Developer Coding Test Can Be Setup in 4 Steps

Step 1: Add test

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Step 2: Share link

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Step 3: Test View

Candidate take the test

Step 4: Insightful Report

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Frequently Asked Questions (FAQs)

 It seems inconceivable for businesses to do their operations without their websites, which is why most tech organizations desire front-end developers. Their coding skills, design aesthetics, UX proficiency, and ability to coordinate with their organizations' tech and design teams are treasured in their companies.  

When it comes to prescreening candidates for such roles, here are some steps to consider:  

  • Examine their work from all angles when evaluating their portfolio  
  • Their GitHub account speaks volumes about their work  
  • Make the candidates undergo live testing   
  • Glance through their Stack Overflow history to track their coding journey  
  • Deploy automated testing solutions, like Mercer | Mettl, for prescreening candidates  
  • Assign them a hypothetical project 

Testing is critical to ensure that a project is bug-free and running smoothly. Therefore, a front-end developer must be skilled in testing and debugging codes.

Yes, they do. Front-end developers work at the intersection of design, technology, and programming to code a website's appearance and run tests for debugging.

Employers usually require these skills in a front-end developer: Web Development, Typescript, JavaScript, CSS3, AngularJS, and jQuery.

With a meticulously created set of questions to assess essential subsets of the skills needed to be a front-end developer, you will be able to gauge the true potential of candidates in creating the basic framework of websites along with their understanding of formatting, presentation, layout, and styling. Furthermore, these tests help assess candidates' applied programming skills, adaptability, and receptivity to other feedback.

Front-end developers should possess proficiency in HTML, CSS, JavaScript, and jQuery. Expertise in graphic design applications, like Adobe Illustrator, is beneficial. Understanding SEO principles is also valuable. Strong problem-solving skills, interpersonal abilities for effective collaboration, and familiarity with server-side CSS are essential. Specifically, this Front-end Developer Coding Test thoroughly assesses HTML and CSS web development skills using a front-end simulator (FES). 

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