Page 58 - GiGW3

5. Guidelines

(d) Sensory: If non-text content is primarily intended to create a specific sensory presented to users, then it is implemented in a way that it can be ignored by assistive Statement: Captions are provided for all pre-recorded audio Statement: Captions are provided for all live audio content Government organisation action: None. Statement: Instructions provided for understanding and operating Government organisation action: None. Reference: WCAG 2.1-1.3.5 State

experience, then text alternatives at least provide descriptive identification of the non-text technology (by using blank alt attribute). content in synchronised media, except when the media is a in synchronised media. Developer action: Developers must ensure that information and relationships that are implied by content do not rely solely on sensory characteristics of Developer action: Developers must ensure that content displays in the orientation Evaluator action: The
content; Reference: WCAG 2.1 - 1.1.1 visual or auditory formatting are preserved when the presentation format changes. For example, (portrait or landscape) preferred by the user. Content does not restrict its view and operation to a browser/accessibility plug-in/web accessibility tool/assistive technology to check the conformity Reference: WCAG 2.1 - 1.4.3 using text-only browsers shall not be able to access the information thus rendering the website text styling adaptabi
(e) CAPTCHA: If the purpose of non-text content is to confirm that content is being Evaluator action: The evaluator will test it manually and by using the accessibility extension to media alternative for text and is clearly labelled as such when the content is read by a screen reader or when a user style sheet is substituted for the style components such as shape, colour, size, visual location, single display orientation, such as portrait or landscape, unless a
Benefits: Enables people who are deaf or hard of hearing to watch real-time presentations. (a) User Interface Components: Visual information required to identify user interface
accessed by a person rather than a computer, then text alternatives that identify and browser/ accessibility plug-in/web accessibility tool to check the conformity of this checkpoint. Government organisation action: The government organisation must provide captions for live sheet provided by the author. For example, a form contains several required fields. The labels for orientation, or sound. essential. Examples of situations where a specific display orientation is essential
describe the purpose of the non-text content are provided and alternative forms of Benefit: This enables people who are deaf or hard of hearing to watch synchronised media audio content. the required fields are displayed in red. In addition, at the end of each label is an asterisk character (a) Banking app that requires the device to be in landscape mode to capture an image of a check Statement: Colour is not used as the only visual means of the conformity of this checkpoin
CAPTCHA using output modes for different types of sensory perception are provided to Statement: For pre-recorded audio-only and pre-recorded presentations. Developer action: Provide provision to publish captions (*). The instructions for completing the form indicate that "all required fields are displayed in red Benefit: Many users including the visually challenged cannot perceive shape, size or use information easily and accurately for deposit; and conveying information,
accommodate different disabilities; and video-only media, the following are true, except when the audio Government organisation action: The government organisations must create captions to provide Reference: WCAG 2.1 - 1.2.4 and marked with an asterisk *", followed by an example. about location or orientation. For such users the content that relies on knowledge of the shape or (b) Piano app that requires the device to be in landscape mode to allow room for enough of the
(f) Decoration, Formatting, Invisible: If non-text content is pure decoration, is used only for the part of the content available via the audio track. Captions not only include dialogue but identify Reference: WCAG 2.1 - 1.3.1 position of objects becomes inaccessible (for example, “round button” or “button to the right”). piano keys to be functionally usable. Since a piano app is emulating a physical piano keyboard that response, or distinguishing a visual element. without
https://www.w3.org/WAI/WCAG21/Understanding/images-of-text
visual formatting, or is not presented to users, then it is implemented in a way that it can be or video is a media alternative for text and is clearly who is speaking and include non-speech information conveyed through sound, including Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint. Evaluator action: The evaluator will test it manually and by using the accessibility extension to Government organisation action: None. needs
ignored by assistive technology. labelled as such: meaningful sound effects. browser/accessibility plug-in/web accessibility tool/assistive technology to check the conformity Developer action: Provide additional information in content that relies solely on sensory available, or the keys would be much too narrow. Benefit: Conformity to this guidelines benefits user who have difficulty perceiving colour visual content when audio is playing. This simple feature allows for a mo
Benefit: Conformity makes information conveyed by non-text content accessible through the use Developer action: Ensure that the captions are available with audio content. Statement: Audio description is provided for all of this checkpoint. characteristics of components such as shape, size, visual location, orientation, or sound. This can be Reference: WCAG 2.1 -1.3.4 e.g. People with partial sight or older users who do not see colour well. If a page has information that e
functionality of the webpage without the need for contrast-enhancing assistive technology.
of a text alternative. For example, a person who cannot see a picture can have the text alternative Reference: WCAG 2.1 - 1.2.2 pre-recorded video content in synchronised media. done by providing textual identification of items that otherwise rely only on sensory information to Evaluator action: The evaluator will test it manually and by using the accessibility extension to is conveyed by colour differences like: “required fields are red”, “error is shown in red” and “January
(a) Pre-recorded Audio-only: An alternative for time-based media is provided that Government organisation action: None. Benefits: By ensuring th
read aloud using synthesised speech. A person who cannot hear an audio file can have the text Evaluator action: The evaluator will test the it manually to check the conformity of this checkpoint. Statement: When the sequence in which content is presented be understood; for example, a round button is provided on a form to submit the form and move onto browser/accessibility plug-in/web accessibility tool/assistive technology to check the conformity sales are in red, July are
presents equivalent information for pre-recorded audio-only content; and or functionality and without requiring scrolling in two Developer action: Providing a control with a sufficient contrast ratio that allows users to switch to Success Criterion benefits
alternative displayed so that he or she can read it. the next step. The button is labelled with the text "go." The instructions state, "to submit the form of this checkpoint. Government organisation action: None. seconds or provide a control at the beginning of the page to turn the sound off that the author creates web content that does not prevent user agents from scaling content of this checkpoint.
(b) Pre-recorded Video-only: Either an alternative for time-based media or an audio track Benefits: Provides people who are blind or visually impaired access to the visual information in a affects its meaning, a correct reading sequence can be 5.2.17 a presentation that uses sufficient contrast tremors or other conditio
Government organisation action: A meaningful explanatory text equivalent must be specified for Statement: An alternative for time-based media or audio press the round button labelled go''. This includes both shape and textual information to locate the Developer action: Developers must ensure that when colour differences are used to convey Reference: WCAG 2.1 - 1.4.2 effectively. By supporting text scaling, people with low vision can increase the size of text to a dimensio
is provided that presents equivalent information for pre-recorded video-only content. synchronised media presentation. During existing pauses in dialogue, audio description provides Reference: WCAG 2.1- 1.4.11 system keyboard accessibi
images and other non-text content. The description should summarise the content or purpose of description of the pre-recorded video content is provided information about actions, characters, scene changes and on-screen text that are important and programmatically determined. button. Statement: The purpose of each input field collecting information information, such as required form fields, the information conveyed by the colour differences are Evaluator action: The evaluat

the image. For example, to use the description ‘Picture’ to explain a graphic does not serve any Reference: WCAG 2.1 - 1.3.3 also conveyed explicitly in text. Developers must provide a redundant visual cue for users who may Government organisation action: None. (a) Vertical scrolling content at a width equivalent to 320 CSS pixels; accessibility of the cont
he Success criteria under this section have been adopted purpose. Benefit: The intent of this Success Criterion is to make information conveyed by pre-recorded for synchronised media, except when the media is a are not described or spoken in the main soundtrack. Benefits: This helps people who rely on assistive technologies like screen readers because the Evaluator action: The evaluator will test it manually and by using the assistive technology to check about the user ca

from W3C Web content accessibility guidelines Developer action: For images text equivalent can be provided by using the ALT attribute. The ALT audio-only and pre-recorded video-only content available to all users. Alternatives for time-based media alternative for text and is clearly labelled as such. Government organisation action: Provide Audio description of pre-recorded video content meaning evident in the sequencing of the information in the visual presentation will be t
Developer action: Provide provision to publish audio description
media that are text based make information accessible because text can be rendered through any
(https://www.w3.org/TR/WCAG21/). Developers are advised text for an image is displayed before the image is fully downloaded. It is the main source of image sensory modality (for example, visual, auditory or tactile) to match the needs of the user. Reference: WCAG 2.1 - 1.2.5 when the content is presented in spoken form. This also preserves the meaning of the page when the links identifiable even without colour vision. resizes and using measurements that are relative to othe
information for users of text-only browsers, users of browsers with graphics turned off and users Benefit: provides people who are blind or visually impaired access to the visual information in a the CSS is turned off or not supported. Statement: Content does not restrict its view and operation to a (a) The input field serves a purpose identified in the Input Purposes for User Interface Reference: WCAG 2.1 - 1.4.1 Alternatively, developers may provide controls on the Web pag
to refer to the W3C website for the complete description Government organisation action: Create the alternate for time-based media, i.e, transcript in Evaluator action: The evaluator will test it manually a check the conformity of this checkpoint. functionality include the
who are sight impaired. The following situations are exceptions: synchronised media presentation Government organisation action: None. Components section; and Evaluator action: The evaluator will test it manually and by using the Accessibility extension to (a) Large Text: (18 pt. or 14 pt. bold) Large-scale text and images of large-scale text have a change the size of all text on the page up to 200 percent. Benefits: Benefits especially to those with small screens such as mob
and techniques to meet the success criteria. (a) If the non-text content is a control or accepts input e.g., a submit button then it must case audio only and transcript or audio track in case of video only content. Captions are not single display orientation, such as portrait or landscape, contrast ratio of at least 3:1; buttons and form fields as
needed when the synchronised media is, itself, an alternate presentation of information that is also Government organisation action: The government organisations must provide audio description Statement: Information, structure and relationships Developer action: Provide a meaningful reading sequence. (b The content is implemented using technologies with support for identifying the browser/accessibility plug-in/web accessibility tool/assistive technology to check the conform
have a name describing the purpose of the control; of the video content. The audio description augments the audio portion of the presentation with Note: Developers must keep in mind that a sequence is meaningful if change of order shall impact unless a specific display orientation is essential. expected meaning for form input data. of this checkpoint. (b) Incidental: Text or images of text that are part of an inactive user interface component, Evaluator action: The evalu
presented via text on the Web page conveyed through presentation can be programmatically controls can be used from
Statement: All non-text content that is presented to the user has a (b) If the non-text content is time-based media (audio/video) then the text equivalent Developer action: Make provision to provide alternatives for time-based media. the information needed when the video portion is not available. Alternatively, all of the information its meaning. Two independent content items like two separate articles in a page may be placed in that are pure decoration, that are not vis
provides a descriptive identification of the same; in the synchronised media (both visual and auditory) may be provided in text form. If all of the determined or are available in text. any sequence without affecting the meaning. Similarly, the navigation block and the content area Benefit: This Success Criterion requires content to display in the orientation preferred by the user Benefit: People with language and memory related disabilities or disabilities that affects execut
text alternative that serves the equivalent purpose, except (c) If non-text content is a test or exercise that would be invalid if presented in text, then Reference: WCAG 2.1 - 1.2.1 information in the video track is already provided in the audio track, no audio description is may be placed in any sequence without affecting their meaning. HTML text is always a meaningful and not restrict the orientation. This improves accessibility for users who rely

for the situations listed below: text alternatives at least provide descriptive identification of the non-text content; Evaluator action: The evaluator will test it manually to check the conformity of this checkpoint. necessary. Benefits: Sighted users perceive structure and relationships through various visual cues present sequence. Tables and ordered lists are meaningful sequences, but unordered lists are not. It must orientation and promotes flexibility in technology d

(d) If non-text content is primarily intended to create a specific sensory experience, Developer action: Developer must provide provision for publishing the alternative for time-based on a page (page headings are in a larger and bold font; list items are preceded by a bullet; form be clear that providing a particular linear order is only required where it affects meaning There may Users with dexterity impairments, who have a mounted device will be able to use the content in
https://www.w3.org/WAI/WCAG21/Understanding/reflow.html
(a) Controls, Input: If non-text content is a control or accepts user input, then it has a name then text alternatives at least provide descriptive identification of the non-text content; media or audio description of the pre-recorded video content fields may be positioned as groups that share text labels; a different background colour may be be more than one order that is "correct" and only one correct order needs to be provided. their fixed orientation. impairments also benefi
that describes its purpose (Refer to Success Criterion 4.1.2 for additional requirements for (e) CAPTCHA: If the purpose of non-text content is to confirm that content is being Reference: WCAG 2.1 - 1.2.3 used to indicate related items and so on). However, visually challenged users cannot take Reference: WCAG 2.1 - 1.3.2 Users with low vision will be able to view content in the orientation that works best for them, for Government organisation action: None minimum lumina
controls and content that accepts user input); accessed by a person rather than a computer, then text alternatives that identify and Evaluator action: The evaluator will test the it manually to check the conformity of this checkpoint. advantage of these cues. It must be ensured that these information and relationships are Evaluator action: The evaluator will test it manually and by using the accessibility extension to example to increase the text size by viewing content in
(b) Time-Based Media: If non-text content is time-based media, then text alternatives at describe the purpose of the non-text content are provided and alternative forms of preserved even when the presentation format changes. (For example, when the content is read by browser/accessibility plug-in/web accessibility tool/assistive technology to check the conformity about the user can be programmatically determined, so that user agents can extract and present Government organi

least provide descriptive identification of the non-text content (Refer to Guideline 1.2 for CAPTCHA using output modes for different types of sensory perception are provided to a screen reader or CSS is turned off or replaced). of this checkpoint. this purpose to users using different modalities. Developers can use autofill attribute to Developer action: Developers must Ensure that a contrast ratio of at least 4.5:1 exists between text conveyed; c
additional requirements for media); accommodate different disabilities; and programmatically link a pre-defined and published taxonomic term to the input, so that the inputs (and images of text) and background behind the text. It must be checked by the use of contrast (c) Use of images for representing text should be limited. developer
(f) If non-text content is pure decoration, is used only for visual formatting, or is not can also be machine-interpreted.

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