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Assistive Technology and Web Accessibility. University of Hawaii Information Technology Services Jon Nakasone. UH Assistive Technology Web Site. www.hawaii.edu/access. What is AT?. - PowerPoint PPT Presentation
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Assistive TechnologyAssistive Technologyand Web Accessibilityand Web Accessibility
University of HawaiiUniversity of Hawaii
Information Technology ServicesInformation Technology Services
Jon NakasoneJon Nakasone
What is AT?What is AT?
Any form of equipment or product used Any form of equipment or product used to increase, maintain, or improve the to increase, maintain, or improve the functional capabilities of individuals with functional capabilities of individuals with disabilities.disabilities.
Types of DisabilitiesTypes of Disabilities
Mobility ImpairmentsMobility Impairments Blindess/Low visionBlindess/Low vision Hearing/Speech disordersHearing/Speech disorders Learning DisabilitiesLearning Disabilities
Mobility ImpairmentsMobility Impairments
Adjustable computer workstationAdjustable computer workstation KeyboardsKeyboards MouseMouse Voice inputVoice input Alternate input device (mouth wand)Alternate input device (mouth wand) ScannerScanner Laptop computerLaptop computer
BlindessBlindess
Screen Reader/Document ReaderScreen Reader/Document Reader Scanner Scanner Text based browserText based browser Braille translation softwareBraille translation software Portable Braille note taking devices with Portable Braille note taking devices with
speech outputspeech output
Low VisionLow Vision
Screen/Document readerScreen/Document reader Scanning softwareScanning software Large monitorLarge monitor Anti-glare screensAnti-glare screens Screen magnification softwareScreen magnification software Portable note taking device with speech Portable note taking device with speech
outputoutput
Hearing and/or Speech Hearing and/or Speech ImpairmentsImpairments
Spell checkSpell check Grammar checkGrammar check Word prediction softwareWord prediction software Visual flashVisual flash Speech synthesizerSpeech synthesizer Note taking deviceNote taking device Captioning or transcriptsCaptioning or transcripts
Screen readerScreen reader Voice recognition softwareVoice recognition software Large screen monitorLarge screen monitor Spelling and grammar checkSpelling and grammar check Word prediction softwareWord prediction software Note taking devicesNote taking devices
Learning DisabilitiesLearning Disabilities
Web AccessibilityWeb Accessibility
Improved access for persons with Improved access for persons with disabilities and non-disabled.disabilities and non-disabled.
Universal AccessibilityUniversal Accessibility
Important ResourcesImportant Resources
Web Accessibility InitiativeWeb Accessibility Initiative
•www.w3.org/WAIwww.w3.org/WAI
Priority OnePriority One
Text equivalent for images, image maps, Text equivalent for images, image maps, applets, scripts, bullets, etc.applets, scripts, bullets, etc.
Non color dependentNon color dependent Headers for rows and column in tablesHeaders for rows and column in tables Title framesTitle frames Provide transcripts for audio and videoProvide transcripts for audio and video Provided redundant text links for image Provided redundant text links for image
mapsmaps
Priority TwoPriority Two
Sufficient color contrastsSufficient color contrasts Clearly identify destination of each linkClearly identify destination of each link Avoid blinking objectsAvoid blinking objects Provide a site map or table of contentsProvide a site map or table of contents Make navigation consistentMake navigation consistent Describe purpose of framesDescribe purpose of frames
Priority 3Priority 3
Expand abbreviationsExpand abbreviations Create a logical tab order for links and Create a logical tab order for links and
formsforms Provide summaries of tablesProvide summaries of tables Provide information so that users may Provide information so that users may
receive documents or access to receive documents or access to information according to their information according to their preferencespreferences..
No Frames OptionNo Frames Option
<NOFRAMES><NOFRAMES>
<BODY> <BODY>
Your Web information etc. Your Web information etc.
</BODY></BODY>
</NOFRAMES> </NOFRAMES>
No Scripts OptionNo Scripts Option
<NOSCRIPT>You browser must be Java <NOSCRIPT>You browser must be Java enabled to view animation effects on this enabled to view animation effects on this Web page</NOSCRIPT>Web page</NOSCRIPT>
Web Validation ToolWeb Validation Tool
BobbyBobby
•http://www.cast.org/bobby/http://www.cast.org/bobby/