Page 76 - GiGW3
P. 76

5. Guidelines








 Benefits: Benefits speech users who can avoid firing batches of single-key shortcuts at once and   Government organisation action: None.  Statement: Web pages do not contain anything that flashes   Statement: Web pages/app screens have titles that   Government organisation action: Ensure correct reading order in PDF documents by structuring   Statement: More than one way is available to locate a web page   Statement: Any keyboard operable user interface has a mode of   Statement: For fu
 make  full  use  of  programs  that  offer  single-key  shortcuts  to  keyboard  users.  It  also  benefits   Developer action: Developers must ensure that people with disabilities such as blindness, low   more than three times in any one second period, or the flash   describe topic or purpose.  the document correctly in the authoring tool used to create the document before conversion to   within a set of web pages except where the web page is the   operation where the keyboard focus
 keyboard-only users who have dexterity challenges an d may accidentally hit keys, as they can turn   vision, dexterity impairments and cognitive limitations are given adequate time to perform the   tagged PDF. Pages with complex layouts with graphics, tables, footnotes, sidebars, form fields and   methods of operating all functionality, this success criterion ensures that everyone can access and   Reference: WCAG 2.1 - 4.1.1
 off or modify problematic single character shortcuts.   functions that are time dependent whenever possible. The user must be allowed to turn off the time   is below the general flash and red flash thresholds.  other elements may not convert to tagged PDF in the correct reading order. These inconsistencies   result of, or a step in, a process.  presented visually.  use web content.  names, technical terms, words of indeterminate language and   has been advised of the behaviour before
 Benefit: This facilitates an easy and unambiguous identification of the webpage & also helps in a   Benefit: This helps the user know which element among the multiple elements present in the page   Benefits: This will help people who use screen readers to navigate and operate a website more   Benefits: This benefits user, especially those with disabilities, by providing clear and unambiguous
 Government organisation action: None.  limit, adjust the default setting before encountering it or is warned before time expires and given   more relevant and visible presence in the search engine results. Further, it is important since the   must then be corrected with repair tools such as Acrobat.  has focus. For e.g., in case of a button a visual change in the button (e.g., colour, size) can indicate   (a) No Down-Event: The down-event of the pointer is not used to execute any pa
 Developer action: In case a developer has provided shortcuts in their applications to allow for   the option to extend the time limit with a simple action (for example, “press the spacebar”).   Benefits: Certain special effects such as blinking, or flashing have been reported to cause epileptic   screen readers used by the visually impaired users first read the title of the page and in case the   Developer action: Ensure that interactive elements on a webpage receive focus in an order
 faster user interaction which involve only character keys (letters, numbers, punctuation or symbol   Reference: WCAG 2.1 - 2.2.1  seizures. It is also seen that people are more sensitive to red flashing than other colours. Web pages   title is not explanatory enough, it may confuse or mislead them.  follows sequences and relationships in the content. When designing the content, the interactive   those with visual or cognitive impairments. For instance, a person with a visual impairme
 characters)  without  modifiers  provision  must  be  given  to  allow  users  to  turn  off  or  reconfigure   Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   must not contain anything that flashes more than three times in any one second period. It must also   Government organisation action: The government organisation must ensure that title is complete   elements such as links and form controls must be placed in the content so that

 shortcuts that are made up of only character keys. If the keyboard shortcut is only active when a   be checked that the Light/Dark status at the end of the 1- second period is the same as at the start  with the topic of the page. For the top-level page i.e., homepage/homescreen the name of the   order follows the sequences and relationships in the content. Correct tab and reading order must   Similarly, a person with cognitive limitations may find a site map or table of contents more
 particular user interface component has focus, then override mechanism is not required.  Statement: For moving, blinking, scrolling, or auto-updating   Government organisation action: None.  country must be included, for instance, instead of the title being just Ministry of Health and Family   also be ensured in PDF documents by using a tool for authoring PDF.  than a hierarchical navigation scheme.  provide visual feedback when an interactive element has focus or when a user hovers
 Reference: WCAG 2.1 – 2.1.4  information, all of the following are true:   Developer action: Ensure that no component of the content flashes more than three times in any   Welfare, it should state, Ministry of Health & Family Welfare, Government of India. Alternatively, in   Reference: WCAG 2.1 - 2.4.3  Government organisation action: None.  a pointing device.  for text-to-speech users.  impairments.  Government organisation action: None.   Government organisation action: None.  Deve
 Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   1-second period or keep the flashing area small enough reference   Evaluator action: The evaluator will test it manually and by using the assistive technology to check   Developer action: Developers must include either a “Search” box or a link to a “Search” page from   Benefits: This will help users to prevent accidental or erroneous pointer input by allowing them to   Government organi
 Reference: WCAG 2.1 - 2.3.1  case of a State ‘Department of Health, Government of Karnataka, India’ Government Department, it   the conformity of this checkpoint.   every page of the website. The search box or link must be titled “Search”, as it is a standard term   Reference: WCAG 2.1 - 2.4.7  cancel pointer operations. The preferred method for cancellation is the up-event, which occurs   Developer action: Ensure that the words and characters in the visible label of a control match

 Statement: For each time limit that is set by the content,   (a) Moving, blinking, scrolling: For any moving, blinking or scrolling information that (1)   Evaluator action: The evaluator will test it manually and by using web accessibility tool to check the   should state ‘Department of Health, Government of Karnataka, India’.  understood by web surfers worldwide. As per internationally accepted Usability principles, search   Evaluator action: The evaluator will test it manually to
 function. It is also labelled "Search."
 Developer action: there are scenarios when the Web page has a title, but the title does not identify
             Developers may also make such instructions available to users only when the individual control has
 starts automatically, (2) lasts more than five seconds and (3) is presented in parallel with   conformity of this checkpoint.   boxes are most effective when placed in the same position on all pages (usually within the upper   of accidental activation and ensuring a means of undoing or aborting an action is available.  Reference: WCAG 2.1- 2.5.3  Reference: WCAG 2.1 - 3.2.2  data loss. By providing safeguards to avoid serious consequences, this success criterion improves   technologi
 at least one of the following is true:  other content, there is a mechanism for the user to pause, stop, or hide it unless the   the contents or purpose of the Web page. This may be caused because—  Statement: The purpose of each link can be determined from the   third part of the webpage). Additionally, a sitemap or a link to all the pages of the website from the   Statement: All functionality that uses multipoint or path-based   Government organisation action: None.  Evaluator act
                  https://www.w3.org/WAI/WCAG21/Understanding/labels-or-instructions
 movement, blinking, or scrolling is part of an activity where it is essential; and  Statement: A mechanism is available to bypass blocks of content   (a) Authoring tool default page titles, such as: "Enter the title of the HTML document here," "Untitled   link text alone or from the link text together with its   homepage/homescreen or a table of contents must be provided   gestures for operation can be operated with a single pointer   Developer action: Incorporate pointer cancellati
 (a) Turn off: The user is allowed to turn off the time limit before encountering it; or  (b) Auto-updating: For any auto-updating information that (1) starts automatically and   that are repeated on multiple Web pages.  document" or "No title";  programmatically determined link context, except where the    Reference: WCAG 2.1 - 2.4.5  without a path-based gesture, unless a multipoint or   This can be done by using the default behaviour of controls and not override that behaviour wit
 browser/ Accessibility plug-in/Web Accessibility tool/ Assistive Technology to check the
 (b) Adjust: The user is allowed to adjust the time limit before encountering it over a wide   (2) is presented in parallel with other content, there is a mechanism for the user to pause,   (b) Empty text in title;  of the link would be ambiguous to users in general.  Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   explicit down-event trigger. The up-event is the default behaviour for almost all controls and any   user motion can al
 (c) Filler or placeholder text; and  path-based gesture is essential.  conformity of this checkpoint.   Web pages within a set of Web pages occur in the same relative                                                                                                                               interface components,  people with  disabilities who use  assistive  technology such  as screen
 range that is at least ten times the length of the default setting; or  stop, or hide it or to control the frequency of the update unless the auto-updating is part   programming or markup language. Also, for drag and drop events it must be ensured that users who   content, can understand it better. It benefits people who have difficulty reading written material or   is in error is identified and the error is described to the   Reference: WCAG 2.1 - 3.3.4  readers or speech recognition
 (c)  Extend:  The  user  is  warned  before  time  expires  and  given  at least  20  seconds  to   of an activity where it is essential.  Benefits:  Web pages and applications often have content that is repeated on other pages or   (d) A website generated using templates includes the same title for each page.   Statement: Headings and labels describe topic or purpose.  use a path-based drag-and-drop action to move an item from the initial location to a drop target   and responding t
 extend the time limit with a simple action (for example, "press the spacebar") and the   screens (for example navigation links, heading graphics, banner frames etc). A sighted user can   The developer should ensure that the above does not affect the page title.  Benefit: This helps users understand the purpose of each link so they can decide whether they   Benefit: This is particularly beneficial for those with cognitive or learning disabilities who may not   can abort the action after

 user is allowed to extend the time limit at least ten times; or  Benefits:  Avoiding  content  that  flashes  can  prevent  triggering  seizures  in  people  with   ignore the repeated material by focusing on the main content area, but it is not possible for a person   Reference: WCAG 2.1 - 2.4.2  want to follow the link. Assistive technology has the ability to provide users with a list of links that   understand custom gesture interactions. The benefits of providing alternative means
 (d) Real-time Exception: The time limit is a required part of a real-time event (for   photosensitive epilepsy.  using a screen reader as the content is read sequentially.   Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   are on the Web page. Link text that is as meaningful as possible will aid users who want to choose   Benefit: It is imperative that the information and services on the website/app are well organised and   touchscre
 categorised into relevant modules/sections and sub-sections so that any information can be
 example, an auction) and no alternative to the time limit is possible; or  Government organisation action: None.  Government organisation action: None.  from this list of links. Meaningful link text also helps those who wish to tab from link to link.   learning disabilities that these users can still effectively interact with the content. This can help to   a  trash  can  icon.  When  the  picked-up  file  is  released  outside  this  target,  it  reverts  to  the  old   supported in
 (e) Essential Exception: The time limit is essential and extending it would invalidate the   Developer action: Allow the content to be paused and restarted from where it was paused or Use   Developer action: Developers must provide a mechanism to bypass blocks of content that are   Statement: If a Web page can be navigated sequentially and   Meaningful links help users choose which links to follow without requiring complicated strategies to   located conveniently and is not buried d
 identified with headings or labels. Headings and Labels wherever used must correctly describe the
 activity; or  script to scroll content and provide a mechanism to pauseit or Create content that blinks for less   repeated on multiple Web pages. This may be done by:  the navigation sequences affect meaning or operation, focusable   understand the page.  and accessible for all users.  Reference: WCAG 2.1- 2.5.2  function and doing so would invalidate the activity;  language can be set using the Lang entry in the   changes are predictable and consistent, this improves the usability
 (f) 20 Hour Exception: The time limit is longer than 20 hours.  than 5 seconds  (a) providing a link at the top of each page that goes directly to the main content area.  components receive focus in an order that preserves meaning   Government organisation action: None.  topic or purpose of content.   Government organisation action: None.  Evaluator action: The evaluator will test the   (c) Functionality that can be operated by device   document catalogue. Specifying the default lan
 Government organisation action: None.
 Reference: WCAG 2.1 - 2.2.2  (b) providing a link at the beginning of the content block to go to the end of the block  Developer action: Developer must ensure that the text of, or associated with, the link describes the   Developer action: Developer must provide   website manually to check the conformity of   motion or user motion must also be operable by   in the HTTP header in relevant situations can be  Government organisation action: None.   for.  understand the error message. T
 Benefits: In situations where web functions are time-dependent, (for example, filling out an online   Evaluator action: The evaluator will test it manually to   (c) providing links at the top of each page that go to each area of content.  and operability.  purpose of the link. In cases where the link takes one to a document or a web application, the name   Developer action:  Developers must specify headings using HTML heading tags (H1 to H6) with   controls to achieve the same result
 proper hierarchy. When headings are clear and descriptive, users can find the information they seek
 form)  it  will  be  difficult  for  people  with  disabilities  such  as  blindness,  low  vision,  dexterity   check the conformity of this checkpoint.   (d) Controls and programmatic focus can also be used to bypass blocks of content.  of the document or web application would be sufficient to describe the purpose of the link however   more easily and they can understand the relationships between different parts of the content more   or multipoint gestures  the motion can be disable
 impairments and cognitive limitations to perform the required functions before a time limit occurs.   Reference: WCAG 2.1 - 2.4.1  Benefits: When users navigate sequentially through content, they should encounter information in   it is not mandatory to use the name of the document or web application; other things may also   easily. Developers must also provide descriptive labels to help users identify specific components   Reference: WCAG 2.1-2.5.1  ctuation, except when:   Evaluator
 This may render the service inaccessible to them. For individuals who are deaf and communicate in   Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   an order that is consistent with the meaning of the content and can be operated from the keyboard.   describe the purpose of the link.  Evaluator action: The evaluator will test it manually   manually to check the conformity of this checkpoint.   relative order is not changed. Similarly
 Reference: WCAG 2.1 - 2.4.4  within the content. Labels and headings do not need to be lengthy. A single word may suffice if it   (i) Supported Interface: The motion is used to   must not cause a change of context.  must be presented inside a navigational component in the same relative order each time the
 sign language, having control over time limits is important when using a sign-language interpreter.   Hence if a Web page can be navigated sequentially and the navigation sequences affect meaning   provides an appropriate cue to finding and navigating content.  to check the conformity of this checkpoint.   operate functionality through an accessibility   Reference: WCAG 2.1 - 3.2.1  text. It is perfectly acceptable to indicate the error in   Developer action: Provide text description
 Providing additional time to pause content can be helpful for those with reading and cognitive   or operation, focusable components must receive focus in an order that preserves meaning and   Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   Reference: WCAG 2.1 - 2.4.6  supported interface;  Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   navigational component is repeated. Other li
 disabilities to better comprehend information.  operability.   ones, for example to allow navigation inside a subsection of a set of Web pages, but the relative   text description.  incorrect format.  Government organisation action: None.
 Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   (ii) Essential: The motion is essential for the function   order is not changed.  Reference: WCAG 2.1 - 3.3.1  https://www.w3.org/WAI/WCAG21/Understanding/error-suggestion
 and doing so would invalidate the activity.  Reference: WCAG 2.1 - 3.2.3  Evaluator action: The evaluator will test it manually to   Reference: WCAG 2.1 - 3.3.3

 Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.   check the conformity of this checkpoint.   Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint.
                                                             76
   71   72   73   74   75   76   77   78   79   80   81