1.7 Create Accessible Sites per Various AT Strategies Flashcards

1
Q

What are the two vision disabilities?

A

Blindness

Low Vision

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2
Q

What two ways does a SR deliver web content to the blind user?

A

Speech

Braile

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3
Q

How does a screen reader organize the contents of the web page to help the blind user have quick access? How can developers help this occur?

A

It makes lists of common elements such as landmarks, headings, links, form controls, etc. that are presented to the users in tabbable format.
The underlying HTML or aria-roles helps in this.

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4
Q

What is one technique for providing instructions to user who only tab through sites?

A

Provide aria-describedby that pick up text missed in non tabbable elements

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5
Q

What is the main thing to consider with a blind person using a touch screen?

A

They cannot see the elements’ location on the screen.

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6
Q

How does a screen reader help a blind person using a touch screen?

A

The SR overrides

the visual method for interacting and replaces it with a gesture-based system.

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7
Q

Screen reader gestures for touch screens include what basic gestures?

A

Swipe right - go forward
Swipe left - go backward
Single Tap- announce active element
Double Tap - activate current button or link
The specific gestures vary from one brand of a screen reader to the next.

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8
Q

What is the most common SR used on desktops/laptops?

A

JAWS, followed by NVDA, then VO

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9
Q

Which browser is most often used by SR users on desktop/laptop?

A

Chrome,
then Microsoft Edge
then Firefox
then Safari

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10
Q

What is the most widely used mobile SR?

A

VoiceOver

then TalkBack

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11
Q

Most popular desktop/laptop SR/Browser combos?

A
JAWS/Chrome
NVDA/Chrome
JAWS/Edge
NVDA/Firefox
JAWS/Firefos
VO/Safari
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12
Q

What percentage of SR users are on a Windows machine?

A

91%

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13
Q

What percent of SR users use mobile devices?

A

90%

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14
Q

What the market share split between AT users between Android and Apple devices?

A

9 to 3.25

Basically, two third more people use Apple mobile devices than Android ones

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15
Q

What is the SR users’ favorite way to find information?

A

Using Headings! by far

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16
Q

Which document type to SR users find to be most accessible?

A

WORD

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17
Q

Does JAWS support touch gestures?

A

Yes, with Windows 8 or later

18
Q

JAWS touch, a two-finger rotate alternates between what three modes?

A

Touch Navigation
Text Reading
Speech Settings

19
Q

Does JAWS support using the Windows touch keyboard?

A

Yes

20
Q

What are the default “JAWS Key”s?

A
Desktop = the INSERT key
Laptop = the CAPS LOCK key
21
Q

JAWS- what are does pressing certain letter keys do? (called Navigation Quick Keys)

A
MOVES YOU TO CERTAIN HTML ELEMENTS
B for buttons
T for tables, 
F for form controls, 
P for paragraph,
V for visited links, 
H for headings, 
X for checkboxes and so on. 
Add SHIFT to any navigation quick key to move to the previous element of that type.
22
Q

JAWS- How do you bring up the Virtual HTML Features dialog box?

A

INSERT + F3

23
Q

JAWS- How do you bring up the list of certain kinds of elements on a page?

A

CTRL + INSERT + QUICK NAV LETTER

24
Q
JAWS- 
how to go to top of page?
how do you close a page?
move through all the links?
move between two open pages?
move between all the headlines?
A
CTRL + F4
CTRL + HOME
TAB (or U or V)
CTRL + TAB
H
25
Q

JAWS and ARIA Regions- What is the Quick Key for regions? How do you navigate them?

A

R is for regions
INSERT + CTRL + R = list of regions
Use R and Shift + R to move between regions

26
Q

JAWS- how many levels of verbosity does the Virtual Cursor provide?

A

Three: low, medium, high

27
Q

JAWS and tables, how many views?

A

Two- Simple Layout and Screen Layout.
With Simple Layout, each cell of the table is displayed on a separate line in the virtual buffer. Screen Layout mode allows you to read tables by row, just as they are presented on the screen. With Screen Layout each row of the table is displayed on a separate line and each cell is separated by a vertical bar.

28
Q

When does JAWS ignore images?

A

When they have no alt, title or long description AND are not links.
For images that are links, JAWS announces the file path

29
Q

JAWS- CTRL + INSERT + DOWN ARROW does what?

A

Skim reads- reads the first line of every paragraph on the page

30
Q

How many different screen readers should you perform tests with?

A

At least two.

31
Q

What are the recommended OS/Browser/SR combos to test?

A

Windows- JAWS/Chrome, NVDA/Firefox, Narrator/Edge
MAC/iOS - VO/Safari
Android- TalkBack/Chrome

32
Q

What are important things to test with a SR/keyboard?

A
Interactive elements get focus
Visual focus exists
Tags, labels, alt text exist/announced
Widgets can be browsed 
Roles are announced
State changes are announced
33
Q

Other than SRs, what Strategies are used by Low Vision users?

A

Text Enlargement/Zoom in the browser
Changing colors in browser, OS, Or with access tools
Magnifying tools

34
Q

What are commonly used Magnifiers?

A

ZoomText and SuperNova

35
Q

Does ZoomText come with screen reader?

A

Yes, but it also interfaces with JAWS

36
Q

Does SuperNova magnifier also do SR?

A

They have three versions and two of them also read.

37
Q

Users with Reading disabilities use what Strategies?

A

Text readers, text-to-speech or nothing.
they may change text size, color, or fonts
They may use a custom style sheet
They will seek out visual presentation of the data such as charts, tables, images
They will seek audio presentation of data

38
Q

What are some Strategies used by those with cognitive disabilities?

A
Text readers, text-to-speech
ad blockers, 
screen masking,
Audio presentation
Visual presentation other than text
39
Q

What should designers do to help those with cognitive disabilities?

A
Avoid Animated video
Don't overuse graphics
Simple language
Use text, images and audio
Clear headings, boundaries, regions
Don't rely on memory
Support adaptation and personalization
Help users find what they need
Help users avoid mistake
40
Q

People with motoric disabilities use what Strategies?

A
Keyboards
Mouse (with or without added features)
Tremor filtering mousepad and pointer software
Eye-tracking
Point scanning
Speech control
41
Q

The Do’s of designing for motoric disabilities

A

Keyboard navigable
Visual indicator that shows focus
Large, clearly visible, and easy to spot clickable areas
Prediction and autofill to limit keystrokes needed
Don’t confuse the user