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Accessibility Nuts and Bolts
NERCOMP November 15, 2017
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Overview Where to Start What to Test Who Does The Testing How to Test
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Where to Start
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On VPATS Is a self report (in many cases)
Intended to be an initial vetting tool Quality greatly varies They can be flat out wrong “Meets with exceptions” means “Not Accessible” Mixed availability
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What to Test
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Re-defining “Place of Public Accommodation”
Institutional Webpage Internal portal LMS MOOC/SPOC Mass communication/ Social Media Databases Registration Library databases Print release stations Online tutoring/advising Webinar platforms Course/Lab simulation software Course specific infrastructure Physical amenities with digital/online components
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What else? (Examples?)
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Factors to Test/Inspect For
Color/Contrast Fonts Keyboard access Form fields Alt Tags Captions Heading/navigation structures Descriptive text/audio
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Color/Contrast Best tool to use: EvalAccess 2.0, web accessibility and color checker Never use color alone to convey information Use a symbol or graphic that will work in a monochromatic environment To test if the color contrast is effective, print it on black and white printer with the background color included Beige, yellow and orange can be confused with red and green
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Fonts Nothing smaller than 12pt font
Best tool to use: A user and/or EvalAccess 2.0, web accessibility Nothing smaller than 12pt font Avoid Serif fonts (monotype corvisa) Choose Serif fonts (Veranda/ Arial) Allow the text to be manipulated for resizing purposes by the user Set a default font size in the style sheet Font should not be smaller than 12pt font
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Who Does the Testing?
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Performing the Accessibility Tests
Experts In-sourcing: IT staff, DS staff, dedicated staff member Out-sourcing: Consultant (Perkins, Carroll, WebAIM, etc) Users In-sourcing: Students, faculty/staff (users, trained), DS staff (users, trained), dedicated staff member Out-sourcing: Students (SWD, Sw/oD), workstudy
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How To Test
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Process Overview: “Beginner” testing
The 6 Simplest Web Accessibility Tests Anyone Can Do Unplug your mouse/turn off trackpad Turn on high contrast mode Turn off Images Check for captions or transcripts Click on field labels Turn off CSS
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Process Overview: “Expert” testing
Tool-guided evaluation Screening Tool-based inspection Code Review
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Tool-guided Eval: Where to Begin
Automated testers Examples: WAVE, Achecker, FAE, CynthiaSays, etc. PROs Efficiency vs Volume, Presence vs Absence, Starting point, Oversight detection. CONs Incomplete, Quality of alt text, Forms, Applications of color, Device dependent applications
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Screening Use AT to access site or content to emulate experience of end user Employ experienced AT users to check site or content (mistakes or inexperience with AT do not necessarily mean that something is inaccessible) JAWs Resource Resource - Training - dCertification
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Screening Tools Screen readers JAWS – industry standard
NVDA – open source screen reader Fangs screen reader emulator
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Fangs
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Tool-based Inspection
Lots of tools for lots of testing; use of multiple tools is encouraged Examples of tools include Page structural inspectors, (X)HTML inspectors, color contrast checkers, Readability checkers, etc. Browser features/plug-ins – Web Developer in Chrome; Firefox W3C features
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Code Review
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Code Review If anything, can utilize “inspect element” to verify alt tags:
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Wrap Up Resource Guide: https://www.w3.org/WAI/Resources/
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