Miscellaneous Flashcards

1
Q

What is a platform for Usability testing by live disabled users?

A

Loop11

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2
Q

What percentage of accessibility issues can be found through automated testing?

A

About one-third

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3
Q

True or False: The purpose of links must always be conveyed through the link text itself.

A

False

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4
Q

Is ARIA a programming language?

A

No

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5
Q

How can you notify a user of new content without employing any Javascript?

A

Reload the page

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6
Q

What is the difference between captions and subtitles?

A

Captions are intended for the deaf/hard-of-hearing, and subtitles are intended for language translation.

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7
Q

What are captions?

A

Text-based versions of audible content synchronized for the hard-of-hearing

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8
Q

What is an additional benefit of captions beyond accessibility?

A

SEO

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9
Q

What is the difference between captions and transcripts?

A

Transcripts are text-based versions of both audible and visual content that include not only dialog but also include important sound effects and visual cues (something like a script)

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10
Q

What type of user can only benefit from transcripts?

A

deafblind

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11
Q

What are audio descriptions?

A

A recording of a person explaining the visual aspects of the video that aren’t in the video’s original dialog or narration

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12
Q

What is an extended audio description?

A

A audio description where video is paused in order to provide a more extended description of the action.

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13
Q

What types of media MUST have captions for AA conformance?

A
  1. Pre-recorded multimedia
  2. Live multimedia
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14
Q

What type of media MUST have transcripts for AA conformance?

A
  1. Pre-recorded audio-only
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15
Q

What types of media MUST have audio descriptions for AA conformance?

A
  1. Pre-recorded multimedia
  2. Pre-recorded video-only
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16
Q

Is sign language ever required (MUST) for AA conformance?

A

No. It’s a MUST only to meet AAA for pre-recorded multimedia, and otherwise is a MAY

17
Q

How long is an video which plays automatically allowed to continue before a method must be provided to stop it?

A

5 seconds

18
Q

What is the maximum frequency that an animated image can flash or flicker before it’s considered an epilepsy risk?

A

3 times per second

19
Q

What tool can evaluate epilepsy risk for a site?

20
Q

Rastor vs Vector images – which maintains clarity when scaled?

A

Vector images

21
Q

Is it possible to programmatically detect Windows High Contrast Mode?

A

Yes

Media queries in Edge/IE or Javascript color change detection

22
Q

Are PDFs natively accessible?

A

No

Must tag for accessibility

23
Q

Are EPUB files natively accessible?

A

Yes

24
Q

What EPUB format should be used for maximum accessibility?

A

EPUB 3

25
Q

What is the mimimum amount of time that a caption should remain onscreen?

A

1 second

26
Q

What is the max number of lines that a caption SHOULD have?

A

3

27
Q

What is the maximum number of characters per line that a caption SHOULD have

A

32

28
Q

What is the minimum font size a caption SHOUD use?

A

22pt

29
Q

What SHOUD be the minimum gap between captions?

A

1.5 seconds

30
Q

Should image maps be rendered client-side or server-side?

A

Client-side whenever possible

31
Q

How should a browser be set to test reflow on zoom?

A

Testing vertical scroll: 320 CSS pixels = viewport width of 1280 CSS pixels wide at 400% zoom.

Testing horizontal scroll: 256 CSS pixels = viewport height of 1024px at 400% zoom.

32
Q

What tool can simulate low vision?

A

NoCoffee Vision Simulator for Firefox