Accessible Design

Question 1

What is the optimal line spacing for text?

Answer 1

At least 1.5 but not more than 2

Question 2

What is the optimal spacing for paragraphs?

Answer 2

1.5 times larger than the line spacing

Question 3

What is required (MUST) contrast ratio for small text?

Answer 3

4.5 : 1 with the background

Question 4

What is the required (MUST) contrast ratio for large text?

Answer 4

3 : 1 with the background

Question 5

What is the recommended (SHOULD) contrast ratio for small text?

Answer 5

7 : 1 with the background

Question 6

What defines small text?

Answer 6

Under 18 point or 14 point bold

Question 7

What defines large text?

Answer 7

At or over 18 point or 14 point bold

Question 8

What is the required (MUST) contrast ratio for visual boundaries?

Answer 8

3 : 1 with the background

Question 9

What is the required (MUST) contrast ratio for visual focus indicators?

Answer 9

3 : 1 with the background

Question 10

How can a developer override Windows High Contrast settings?

Answer 10

Using -ms-high-contrast media queries with the -ms-high-contrast-adjust CSS property

Question 11

Should Windows High Contrast settings ever be overridden by webpage CSS?

Answer 11

NO

Question 12

What is the maximum number of English characters that should appear in a column?

Answer 12

80

Question 13

Should text be full-justified or left-justified?

Answer 13

Left-justified

Question 14

Images of text or HTML text? And why?

Answer 14

HTML text so users can customize

Question 15

Will CSS generated text always be read by screen readers?

Answer 15

No, it’s not always recognized by the Accessibility API

Question 16

Will nodes with display: none be read by screen readers?

Answer 16

No

Question 17

Will nodes with visibility: hidden be read by screen readers?

Answer 17

No

Question 18

For content triggered on keyboard focus or pointer hover, what are the 3 accessibility requirements for that content?

Answer 18

That it be:
1. Dismissible
2. Hoverable
3. Persistent

Question 19

Is link text allowed to be the same color as surrounding text?

Answer 19

No

Question 20

Is link text color alone enough to differentiate a link from regular text?

Answer 20

No

Question 21

Do link text design rules apply the same way to navigation menu links?

Answer 21

No

Question 22

What is the most accessible way to implement infinite scrolling?

Answer 22

Add a button to let the user control the infinite scroll

Question 23

What image type should always be chosen for smooth scaling?

Answer 23

SVG

Question 24

What is an “affordance”?

Answer 24

The range of possible actions that someone can perform with a particular object.

Question 25

What is the minimum acceptable size for a pointer target?

Answer 25

24px x 24px

Question 26

True or False: Users must be able to pause an animation

Answer 26

True

Question 27

What is one accessibility advantage of icon fonts over other image types?

Answer 27

They respond to Windows High Contrast settings and other user color schemes.