HTML and CSS Quiz

Understand your HTML and CSS fundamentals in 10 minutes. Get a clear snapshot through 16 quick code-based questions on accessibility, forms, selectors, cascade, responsive design, and layout.

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Questions: 1610 minutes

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08:30

July 22, 2026

July 22, 2026
Material has been updated

July 22, 2026
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How the Scales are Structured

example score

2/16

HTML and CSS Knowledge (HaCK)

Measures your current understanding of foundational HTML and CSS concepts, including structure, accessibility, selectors, and layout.

Building Foundations

Developing Knowledge

Strong Knowledge

0 – NaN: Building Foundations | 7 – NaN: Developing Knowledge | 13 – NaN: Strong Knowledge

A score of 2 falls in Building Foundations, suggesting you recognize a few core ideas but would likely benefit from reviewing semantic HTML, accessibility basics, selectors, and layout fundamentals.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Bootcamp and course learners

41%OF USERS

People learning front-end basics who want to check their understanding of HTML structure, forms, CSS selectors, and layout before moving on.

Self-taught web beginners

34%OF USERS

New developers using tutorials who want a quick reality check on the cascade, responsive design, and common code patterns.

Job seekers brushing up

25%OF USERS

Candidates preparing for junior front-end interviews who want to spot gaps in accessibility, semantics, and modern CSS techniques.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

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See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.

HTML and CSS Knowledge (HaCK)

Average

4.1

Normal range

1.6 — 6.5

min.

max.

Majority

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

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CLEAR ANSWERS TO COMMON QUESTIONS

Frequently Asked Questions

What does this quiz measure?

It measures knowledge of HTML structure, accessibility, forms, and core CSS concepts. It also covers selectors, the cascade, responsive design, and modern layout techniques through short code scenarios.

How many questions are included, and how long does it take?

The quiz includes 16 multiple-choice questions. Estimated completion time is about 10 minutes.

What type of result is provided?

The result is a brief knowledge summary with a score. It is not a professional certification or a credential.

Is sign-up required to take the quiz?

No sign-up is required. Responses are recorded during the session for scoring.

How should answers be selected?

Select the single best answer for each question based on standard front-end practices. If uncertain, choose the option that best matches correct syntax, accessibility, and expected browser behavior.

WHAT THE TEST MEASURES

About This Assessment

HTML and CSS Quiz - Symptoms and Signs

Test your knowledge of HTML structure, accessibility, forms, CSS selectors, the cascade, responsive design, and modern layout techniques. This free 16-question HTML and CSS quiz combines core concepts with short code scenarios, helping you explore how confidently you can apply front-end fundamentals. Your result is a knowledge summary rather than a professional certification. No sign-up is needed—choose the best answer for each question and discover your score.

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