6.3 No Alternatives for Non-text Information
Affected Group: Persons with Seeing Difficulties
Alternatives should always be provided for non-text information.
Images should contain descriptive text alternative that effectively describe the images.
Video content should include text transcripts that can be interpreted by screen readers.
Consider the photo below. If you have this photo on your website, how would you communicate what this photo is to a visually impaired person using screen readers?
Screen readers will read the text alternative of the image. Ensure text alternatives are meaningful and suitably descriptive.
The text alternative for this image might read "Photograph of Hong Kong Harbour and Hong Kong Island skyline on a sunny day".
