Accessibility

Owned by Deborah Cross (Unlicensed)
Last updated: Mar 23, 2021 by Sharmeen Hussain
10 min read
greenID Web has been developed with accessibility in mind.  It is WCAG 2.0 AA compliant and has been developed using the WAI-ARIA principles.

This compliance does not extend to greenID Web with document validation and facial biometric verification.  If document scan and selfie capture are enabled, greenID Web will not be fully WCAG 2.0 AA compliant.


Vision Australia conducted an audit in October 2015 and validated that greenID Web is WCAG 2.0 AA compliant.

The following outlines greenID Web's compliance against relevant WCAG 2.0 requirements.

Area#GuidelineAssessment
Text Alternatives1.1Provide text alternatives for any non-text content so that it can be changed into other forms people need, such as large print, braille, speech, symbols or simpler language.
Non-text Content (Level A)1.1.1 All non-text content that is presented to the user has a text alternative that serves the equivalent purpose, except for the situations listed below. Guideline Met
Time-based Media1.2Provide alternatives for time-based media.Guideline N/A - greenID Web does not use time-based media
Adaptable1.3 Create content that can be presented in different ways (for example simpler layout) without losing information or structure
Info and Relationships (Level A)1.3.1Information, structure, and relationships conveyed through presentation can be programmatically determined or are available in text.Guideline Met
Meaningful Sequence (Level A)1.3.2When the sequence in which content is presented affects its meaning, a correct reading sequence can be programmatically determined. Guideline Met
Sensory Characteristics (Level A)1.3.3Instructions provided for understanding and operating content do not rely solely on sensory characteristics of components such as shape, size, visual location, orientation, or sound. Guideline Met
Distinguishable1.4 Make it easier for users to see and hear content including separating foreground from background.
Use of Color (Level A)1.4.1 Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. Guideline Met
Audio Control (Level A)1.4.2 If any audio on a Web page plays automatically for more than 3 seconds, either a mechanism is available to pause or stop the audio, or a mechanism is available to control audio volume independently from the overall system volume level. Guideline N/A - the greenID Web does not use audio
Contrast (Minimum) (Level AA)1.4.3 
The visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following: 
  • Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1; 

  • Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement. 

  • Logotypes: Text that is part of a logo or brand name has no minimum contrast requirement.
Guideline Met
Resize text (Level AA)1.4.4Except for captions and images of text, text can be resized without assistive technology up to 200 percent without loss of content or functionality.Guideline Met
Images of Text (Level AA)1.4.5
If the technologies being used can achieve the visual presentation, text is used to convey information rather than images of textexcept for the following: 
  • Customizable: The image of text can be visually customized to the user's requirements; 

  • Essential: A particular presentation of text is essential to the information being conveyed. 

Note: Logotypes (text that is part of a logo or brand name) are considered essential.
Guideline Met
Contrast (Enhanced) (Level AAA)1.4.6
The visual presentation of text and images of text has a contrast ratio of at least 7:1, except for the following: 
  • Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 4.5:1; 

  • Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement. 

  • Logotypes: Text that is part of a logo or brand name has no minimum contrast requirement. 

Guideline Not Met
Low or No Background Audio (Level AAA)1.4.7For prerecorded audio-only content that (1) contains primarily speech in the foreground, (2) is not an audio CAPTCHA or audio logo, and (3) is not vocalization intended to be primarily musical expression such as singing or rapping, at least one of the following is true: Guideline N/A - the greenID Web does not use audio content
Visual Presentation (Level AAA)1.4.8
For the visual presentation of blocks of text, a mechanism is available to achieve the following: 
 1. Foreground and background colors can be selected by the user. 

 2. Width is no more than 80 characters or glyphs (40 if CJK). 

 3. Text is not justified (aligned to both the left and the right margins). 

 4. Line spacing (leading) is at least space-and-a-half within paragraphs, and paragraph spacing is at least 1.5 times larger than the line spacing. 

 5. Text can be resized without assistive technology up to 200 percent in a way that does not require the user to scroll horizontally to read a line of text on a full-screen window.
Guideline Not Met
Images of Text (No Exception) (Level AAA)1.4.9Images of text are only used for pure decoration or where a particular presentation of text is essential to the information being conveyed.Guideline Met
Keyboard Accessible2.1 Make all functionality available from a keyboard.
Keyboard (Level A)2.1.1 
All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes, except where the underlying function requires input that depends on the path of the user's movement and not just the endpoints. 
Guideline Met
No Keyboard Trap (Level A)2.1.2 
If keyboard focus can be moved to a component of the page using a keyboard interface, then focus can be moved away from that component using only a keyboard interface, and, if it requires more than unmodified arrow or tab keys or other standard exit methods, the user is advised of the method for moving focus away. 
Guideline Met
Keyboard (No Exception) (Level AAA)2.1.3 
All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes. 
Guideline Met
Enough Time2.2 Provide users enough time to read and use content.
Timing Adjustable (Level A)2.2.1 
For each time limit that is set by the content, at least one of the following is true: 
  • Turn off: The user is allowed to turn off the time limit before encountering it; or 

  • Adjust: The user is allowed to adjust the time limit before encountering it over a wide range that is at least ten times the length of the default setting; or 

  • Extend: The user is warned before time expires and given at least 20 seconds to extend the time limit with a simple action (for example, "press the space bar"), and the user is allowed to extend the time limit at least ten times; or 

  • Real-time Exception: The time limit is a required part of a real-time event (for example, an auction), and no alternative to the time limit is possible; or 

  • Essential Exception: The time limit is essential and extending it would invalidate the activity; or 

  • 20 Hour Exception: The time limit is longer than 20 hours. 
Guideline Met
Pause, Stop, Hide (Level A)2.2.2 
For moving, blinking, scrolling, or auto-updating information, all of the following are true: 
  • Moving, blinking, scrolling: For any moving, blinking or scrolling information that (1) starts automatically, (2) lasts more than five seconds, and (3) is presented in parallel with other content, there is a mechanism for the user to pause, stop, or hide it unless the movement, blinking, or scrolling is part of an activity where it is essential; and 

  • Auto-updating: For any auto-updating information that (1) starts automatically and (2) is presented in parallel with other content, there is a mechanism for the user to pause, stop, or hide it or to control the frequency of the update unless the auto-updating is part of an activity where it is essential. 

Guideline Met
No Timing (Level AAA)2.2.3 Timing is not an essential part of the event or activity presented by the content, except for non-interactive synchronized media andreal-time events. Guideline Met
Interruptions (Level AAA)2.2.4 Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency. Guideline Met
Re-authenticating (Level AAA)2.2.5 
When an authenticated session expires, the user can continue the activity without loss of data after re-authenticating. 
Guideline Met
Seizures2.3Do not design content in a way that is known to cause seizures.

Three Flashes or Below Threshold (Level A)

2.3.1Web pages do not contain anything that flashes more than three times in any one second period, or the flash is below the general flash and red flash thresholds. Guideline Met

Three Flashes (Level AAA)

2.3.2Web pages do not contain anything that flashes more than three times in any one second period. Guideline Met

Navigable

2.4Provide ways to help users navigate, find content, and determine where they are.

Bypass Blocks  (Level A)

2.4.1A mechanism is available to bypass blocks of content that are repeated on multiple Web pages. Guideline Met

Page Titled (Level A)

2.4.2Web pages have titles that describe topic or purpose.  Guideline N/A because greenID Web does not control the page title

Focus Order (Level A)

2.4.3 If a Web page can be navigated sequentially and the navigation sequences affect meaning or operation, focusable components receive focus in an order that preserves meaning and operability. Guideline Met

Link Purpose (In Context) (Level A)

2.4.4The purpose of each link can be determined from the link text alone or from the link text together with its programmatically determined link context, except where the purpose of the link would be ambiguous to users in general. Guideline Met

Multiple Ways (Level AA)

2.4.5More than one way is available to locate a Web page within a set of Web pages except where the Web Page is the result of, or a step in, a process. Guideline N/A - the greenID Web is a step in a process

Headings and Labels (Level AA)

2.4.6Headings and labels describe topic or purpose. Guideline Met

Focus Visible (Level AA)

2.4.7Any keyboard operable user interface has a mode of operation where the keyboard focus indicator is visible. Guideline Met

Location (Level AAA)

2.4.8Information about the user's location within a set of Web pages is available. Guideline Met

Link Purpose (Link Only) (Level AAA)

2.4.9A mechanism is available to allow the purpose of each link to be identified from link text alone, except where the purpose of the link would be ambiguous to users in general. Guideline Met

Section Headings  (Level AAA)

2.4.10Section headings are used to organize the content.Guideline Met

Readable

3.1Make text content readable and understandable. 

Language of Page (Level A)

3.1.1The default human language of each Web page can be programmatically determined. Guideline N/A as greenID Web is injected into an existing page and does not control this

Language of Parts (Level AA)

3.1.2The human language of each passage or phrase in the content can be programmatically determined except for proper names, technical terms, words of indeterminate language, and words or phrases that have become part of the vernacular of the immediately surrounding text. Guideline N/A as greenID Web is injected into an existing page and does not control the original page language, so changes to language cannot be identified by greenID Web

Unusual Words (Level AAA)

3.1.3A mechanism is available for identifying specific definitions of words or phrases used in an unusual or restricted way, including idioms and jargon.  Guideline N/A - greenID Web does not use unusual words or phrases

Abbreviations (Level AAA)

3.1.4A mechanism for identifying the expanded form or meaning of abbreviations is available. Guideline N/A - greenID Web does not use abbreviations apart from "ID", which is widely understood.

Reading Level

3.1.5
When text requires reading ability more advanced than the lower secondary education level after removal of proper names and titles, supplemental content, or a version that does not require reading ability more advanced than the lower secondary education level, is available. (Level AAA)
Guideline N/A - greenID Web does not use text that requires an advanced reading level.

Pronunciation (Level AAA)

3.1.6
A mechanism is available for identifying specific pronunciation of words where meaning of the words, in context, is ambiguous without knowing the pronunciation. 
Guideline N/A - greenID Web does not use words that require pronunciation to be understood in order to understand the meaning.

Predictable

3.2
Make Web pages appear and operate in predictable ways.

On Focus (Level A)

3.2.1
When any component receives focus, it does not initiate a change of context. 
Guideline Met

On Input (Level A)

3.2.2Changing the setting of any user interface component does not automatically cause a change of context unless the user has been advised of the behavior before using the component. Guideline Met

Consistent Navigation (Level AA)

3.2.3Navigational mechanisms that are repeated on multiple Web pages within a set of Web pages occur in the same relative order each time they are repeated, unless a change is initiated by the user. 
Guideline Met

Consistent Identification (Level AA)

3.2.4Components that have the same functionality within a set of Web pages are identified consistently. Guideline Met

Change on Request (Level AAA)

3.2.5Changes of context are initiated only by user request or a mechanism is available to turn off such changes. Guideline partially met for links that open in new tabs, such as help modal text links. They have a “target” attribute but do not specifically state the behaviour in the on-screen link text.

Input Assistance

3.3Help users avoid and correct mistakes. 

Error Identification (Level A)

3.3.1If an input error is automatically detected, the item that is in error is identified and the error is described to the user in text. Guideline Met

Labels or Instructions (Level A)

3.3.2Labels or instructions are provided when content requires user input. Guideline Met

Error Suggestion (Level AA)

3.3.3If an input error is automatically detected and suggestions for correction are known, then the suggestions are provided to the user, unless it would jeopardize the security or purpose of the content. Guideline Met

Error Prevention (Legal, Financial, Data) (Level AA)

3.3.4
For Web pages that cause legal commitments or financial transactions for the user to occur, that modify or delete user-controllable data in data storage systems, or that submit user test responses, at least one of the following is true:  
 1. Reversible: Submissions are reversible. 

 2. Checked: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them. 

 3. Confirmed: A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission. 

Guideline N/A -  greenID Web does not cause legal commitments or financial transactions

Help (Level AAA)

3.3.5Context-sensitive help is available. Guideline Met

Error Prevention (All)  (Level AAA)

3.3.6
For Web pages that require the user to submit information, at least one of the following is true:
 1. Reversible: Submissions are reversible. 

 2. Checked: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them. 

 3. Confirmed: A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission. 

Guideline Met

Compatible

4.1Maximize compatibility with current and future user agents, including assistive technologies.

Parsing (Level A)

4.1.1
In content implemented using markup languages, elements have complete start and end tags, elements are nested according to their specifications, elements do not contain duplicate attributes, and any IDs are unique, except where the specifications allow these features. 

Guideline Met

Name, Role, Value  (Level A)

4.1.2For all user interface components (including but not limited to: form elements, links and components generated by scripts), the nameand role can be programmatically determined; states, properties, and values that can be set by the user can be programmatically set; and notification of changes to these items is available to user agents, including assistive technologies.Guideline Met

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