These articles provides practical advice on how to write your web content so that it conforms to the success criteria outlined in the Perceivable principle of the Web Content Accessibility Guidelines (WCAG) 2.0 and 2.1. Perceivable states that users must be able to perceive it in some way, using one or more of their senses.
1.3.5 Identify Input Purpose (AA): The purpose of each input field collecting information about the user can be programmatically determined when: (Level AA) The input field serves a purpose identified in the Input Purposes for User Interface Components section The content is implemented using technologies with support for identifying the expected meaning for form input …
1.3.4 Orientation (A): Content does not restrict its view and operation to a single display orientation, such as portrait or landscape, unless a specific display orientation is essential. (Level AA) Examples where a particular display orientation may be essential are a bank check, a piano application, slides for a projector or television, or virtual reality …
1.3.3 Sensory Characteristics (A): Instructions provided for understanding and operating content do not rely solely on sensory characteristics of components such as shape, size, visual location, orientation, or sound. (Level A) Requirements Do not use shape, size, colour or visual location to communicate instructions. Why is it important? This ensures that instructions can be understood …
1.3.2 Meaningful Sequence (A): When the sequence in which content is presented affects its meaning, a correct reading sequence can be programmatically determined. (Level A) Requirements Requirements for both native and web When users navigate the page using a keyboard’s ‘tab’ key, or cursor arrows (when a screen reader is on), elements receive the keyboard …
1.3.1 Info and Relationships: Information, structure, and relationships conveyed through presentation can be programmatically determined or are available in text. (Level A) Requirements Requirements for both native and web Headings are presented using the correct elements or properties in code. Form fields have properly associated labels. Form fields with format requirements or other additional information …
1.2.5 Audio Description (Prerecorded): Audio description is provided for all prerecorded video content in synchronized media. (Level AA) Requirements Video that includes important visual information has audio description. Why is it important? This ensures that information communicated visually in the video is available to people who cannot see it. Summary For videos that are pre-recorded, …
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1.2.4 Captions (Live): Captions are provided for all live audio content in synchronized media. (Level AA) Requirements All live video content has captions that are synchronized with the audio content of the video. Why is it important? This ensures that the information communicated by the audio part of the video is available to people who …
1.2.3 Audio Description or Media Alternative: An alternative for time-based media or audio description of the prerecorded video content is provided for synchronized media, except when the media is a media alternative for text and is clearly labeled as such. (Level A) Requirements Video content (like instructional videos, ads or interviews) must have audio description, …
WCAG – 1.2.3 Audio Description or Media Alternative (Level A) Read More »
1.2.2 Captions (Prerecorded): Captions are provided for all prerecorded audio content in synchronized media, except when the media is a media alternative for text and is clearly labeled as such. (Level A) Requirements All pre-recorded video content has captions that are synchronised with the audio content of the video; Captions include all the spoken dialogue …
1.2.1 Audio-Only and Video-Only: For prerecorded audio-only and prerecorded video-only media, the following are true, except when the audio or video is a media alternative for text and is clearly labeled as such: (Level A) Prerecorded Audio-only: An alternative for time-based media is provided that presents equivalent information for prerecorded audio-only content. Prerecorded Video-only: Either …
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