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DESIGN FOR ALL Dap01s, Mehtiö Reija
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Agenda Introduction Different types of disabilities - what to consider?
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Introduction Internet is a good thing Not only for disabled, instead for everybody Is t necessary for all sites? Compromises
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Visual Blindness - screen reader, keyboard Low visions -screen magnification, higher contrast, change the default text and background color Color blindness Hearing Different types of disabilities
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Motor -voice recognition software, one-handed keyboard, mouth-stick, head-wand, single-switch access Cognitive Different types of disabilities
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First issues to consider The information should be given in more than one way, supporting multiple senses What information is worth to show everyone?
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Organizing the content The header 1. navigation 2. navigation 3.navigation. Banner Content Title to all pages appropriate Navigation, where to put it?
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Organizing the content Important / simple / introduction first No sounds starting automatically
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Practical issues
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Text Spell check! Proof read Cut it to smaller/understandable parts
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Links No click here, content independent Too many links makes it hard to understand the text Let the user know if the link takes to some other type of document than html
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Images / Graphics Support the text alt -definition, alt=”|”, alt=”.”, alt=”*” Phone testing Longdesc / invisible link / [D] -link Image text, where to put it?
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Tables Big tables, impossible to remember Table with 10 columns and 7 rows. Department Code, Class Number, Section, Max Enrollment, Current Enrollment, Room Number, Days, Start Time, End Time, Instructor, BIO, 100, 1, 15, 13, 5, Mon,Wed,Fri, 10:00, 11:00, Magde, 100, 2, 15, 7, 5, Tue,Thu, 11:00, 12:30, Indge, 205, 1, 15, 9, 6, Tue,Thu, 09:00, 10:30, Magde, 315, 1, 12, 3, 6, Mon,Wed,Fri, 13:00, 14:00, Indge, BUS, 150, 1, 15, 15, 13, Mon,Wed,Fri, 09:00, 10:00, Roberts, 210, 1, 10, 9, 13, Mon,Wed,Fri, 08:00, 09:00, Rasid.
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Tables Explanation / summary -attribute / invisible link use of, scope =”row/col” -attribute or id-attribute, headers -attribute, abbr - attribute and NameAgeBirthday Jack1522.10. Maria197.3
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Name Age Birthday Jackie 5 April 5 Beth 8 January 14 in html:
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Forms An alternative option should be offered Clear instruction what information is desired before the field If checkboxes or radio buttons used don’t brake them up with any block element accesskey -attribute
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Standards
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The Web Accessibility Guidelines Web Content Accessibility Guidelines Authoring Tool Accessibility Guidelines User Agent Accessibility Guidelines
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Section 508 Web Accessibility Actually a law that concerns the Federal Goverment
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