disability: Visual
Promotes web accessibility for people with blindness, low vision, or color blindness.
1.1.1 Non-text Content
Images should have descriptive (alt) text.
1.2.3 Audio Description or Media Alternative (Pre-recorded)
Actions, descriptions, and other important non-audio content in videos should be described in captions, a separate audio track, or a text-based alternative like a screenplay.
1.2.5 Audio Description (Pre-recorded)
Actions, descriptions, and other important non-audio content in videos should be described in captions or a separate audio track.
1.2.7 Extended Audio Description (Pre-recorded)
Video is sometimes paused in order to give enough time for audio descriptions to be conveyed properly.
1.2.8 Media Alternative (Pre-recorded)
A text-based transcription of a video is offered, on top of closed captions and audio description.
1.3.1 Info and Relationships
Information or relationships between content that is visual is also conveyed through the code, via HTML or ARIA (for example the for attribute on a form label, or aria-describedby on an input that has hint text).
1.3.2 Meaningful Sequence
The visual presentation of the content matches what’s read out by a screen reader.
1.3.3 Sensory Characteristics
Nothing is referred to just by its colour, size, position, shape, and so on.
1.3.4 Orientation
Rotating a device from portrait to landscape doesn’t stop everything being perfectly readable and usable.
1.3.5 Identify Input Purpose
The purpose of form fields can be identified by the browser, so that auto-complete suggestions can be offered in a dropdown.
