REVISION – WEEK 22
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What are the disability types?
How do people with visual disabilities interpret the content of a website?
People with visual disabilities interpret the content of a website with screen readers.
What kind of difficulties do blind people have with websites?
Blind people struggle with pages that do not have any text.
What kind of difficulties do people with hearing disabilities have with websites?
People with hearing disabilities cannot get information from content presented as audio.
What kind of difficulties do people with motor disabilities have with websites?
People with motor disabilities are unable to use the mouse.
What kind of difficulties do people with cognitive disabilities have with websites?
People with cognitive disabilities have difficulty to read large amount of text.
Why bother about web accessibility?
Web accessibility is a legal and ethical requirement.
What is W3C?
W3C is the main international standards organization for the World Wide Web.
What does the W3C?
- co-ordinates development of web
- develops specifications, guidelines, software and tools
What are the four fundamental principles of W3C guideline?
- Is it perceivable?
- Is it operable?
- Is it understandable?
- Is it robust?
What can we do at this stage?
- Alt text for all images
- Add captions for pictures
- Validate code
- Title the pages
- Link the texts
- Pay attention to colour contrast
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