Web Development Web Accessibility

Question 1

What does WCAG stand for?

Accepted Answer

Web Content Accessibility Guidelines

Answer

WCAG stands for Web Content Accessibility Guidelines, the international standard for making web content accessible to people with disabilities.

Question 2

Which HTML attribute provides alternative text for images, enabling screen readers to describe them?

Accepted Answer

alt

Answer

The `alt` attribute on `<img>` elements provides a text alternative that screen readers announce when the image cannot be seen.

Question 3

What is the minimum color contrast ratio for normal-sized body text to meet WCAG 2.1 Level AA?

Accepted Answer

4.5:1

Answer

WCAG 2.1 Level AA requires a contrast ratio of at least 4.5:1 for normal text to ensure readability for users with low vision.

Question 4

Which semantic HTML element should be used to wrap the primary content of a web page?

Accepted Answer

<main>

Answer

The `<main>` element represents the dominant content of the document and should appear only once per page, providing a landmark for screen reader users.

Question 5

What does setting `tabindex="0"` on a non-interactive element achieve?

Accepted Answer

Adds the element to the natural tab order

Answer

A `tabindex` of `0` inserts the element into the tab order at its natural DOM position, making it keyboard-focusable without altering the order.

Web Development Practice Test

Web Development Practice Test

Web Development Web Accessibility