Chapter quiz · HTML Foundations

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8 questions on HTML Foundations. Pass 70% to clear the chapter.

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HTML Foundations — Chapter Quiz

Eight questions on the doctype, elements, attributes, links, images.

0/ 8

Question 1
1
What does <!doctype html> do?
ASets the character encodingBDeclares the document as HTML5CImports a doctype libraryDTells the browser to use dark mode
<!doctype html> is the HTML5 doctype declaration. It belongs at the very top of every HTML document.
Question 2
2
A void element like <img> needs a closing tag.
TTrueFFalse
Void elements (<img>, <br>, <hr>, <input>, <meta>, <link>) don't have closing tags. The /> form is optional.
Question 3
3
How many <h1> elements should a typical page have?
AAs many as look goodBExactly oneCNone — start at <h2>DOne per section
One <h1> per page. <h2> for major sections, <h3> for subsections. Don't skip levels.
Question 4
4
Which attribute is REQUIRED on a meaningful <img>?
AaltBwidth and heightCtitleDloading
Every meaningful image needs alt text (which can be empty for decorative images). width/height are strongly recommended (to prevent layout shift) but not strictly required by the HTML spec.
Question 5
5
<a href="..." target="_blank"> should also include rel="noopener" for safety.
TTrueFFalse
Without noopener, the opened page can access window.opener and potentially redirect the original page. rel="noopener noreferrer" is the safe default for external links opening in new tabs.
Question 6
6
For a decorative image that shouldn't be announced by screen readers, the alt should be…
AOmitted entirelyBEmpty: alt=""Calt="decorative"Daria-hidden="true" instead
alt="" explicitly tells screen readers to ignore the image. Omitting alt is a missing-alt error; the screen reader may read the filename instead.
Question 7
7
How do you write an HTML comment?
A// commentBC/* comment */D# comment
HTML comments are . Comments are stripped during transmission (depending on the server) and not rendered.
Question 8
8
To show a less-than sign (<) in text without HTML treating it as a tag, use the entity &___;.
< displays <. The reserved characters in HTML are <, >, &, and (inside attribute values) quotes — use entities for those.