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Accessibility Testing ► Accessibility Validators – Page by Page ► Listening to Your Pages ► Screenreaders/Talking Browsers ► Accessibility Reports ► Practical Testing Plan Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 1 Accessibility Validators - Page by Page ► WebXact ► The Wave ► Web Developer for Firefox (extension) ► Accessibility Toolbar for IE Accessibility Testing Requires the Human Brain Approximately 27% of Accessibility Issues can be tested automated Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 2 Accessibility Validators - Page by Page Tool WebXact + - *New tool from the folks at Watchfire (replaces bobby) ► Doesn’t have visual info you used to get from Bobby ► Excellent resource ► Wave Good for seeing “reading order” & alt text ► Report not as intuitive ► Doesn’t explain how to solve problems ► Great tool that combines many accessibility validators and simulations Accessibility Toolbar ► Web Developer Toolbar ► Copyright © 2005 Knowbility, Inc. Fantastic tool that combines many accessibility tools Only available on PC/IE ► Only available in Firefox ► Accessible Web Design Techniques 3 Evaluation of Free Accessibility Tools ► www.webaim.org/techniques/articles/freetools/ Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 4 Testing a Site http://www.geocaching.com ► ► WebXact – webxact.watchfire.com ► The Wave - www.wave.webaim.org ► Web Developer Toolbar for Firefox https://addons.mozilla.org/extensions/moreinfo.php?id=60 ► Accessibility Toolbar for IE http://www.nils.org.au/ais/web/resources/toolbar/ Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 5 Listening to your pages The real test – can users with disabilities actually use your site? Two examples of assistive technology •JAWS by Freedom Scientific – popular screen reading software. Uses internal speech synthesizer and computer’s sound card to read info from computer screen aloud. www.freedomscientific.com •Home Page Reader by IBM – a web access tool for blind and low vision users. www.ibm.com/able/ Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 6 Demo of Home Page Reader ► Home Page Reader – a talking browser ► ► Listen to UT Home Page ► Link Lists ► Skip to Main Listen to Dreamworks ► ► http://www.dreamworks.com/ Listen to Marvin Garden’s ► http://www.thegarden.com Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 7 Demo of JAWS ► JAWS – a true screenreader for PCs ► ► ► Listen to UT Home Page ► Links on page ► Link Lists – alpha and page order Listen to Dreamworks ► ► reads IE, Word, Excel, Powerpoint, Desktop… http://www.dreamworks.com/ Listen to Marvin Garden’s ► http://www.thegarden.com Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 8 LIFT Machine ► Tests entire sites for accessibility ► Builds accessibility reports ► Results by checkpoints ► Checkpoints expanded Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 9 Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 10 Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 11 Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 12 A Practical Testing Plan Test with your browser 1. ‣ Turn off images, Don’t use the mouse, Turn off your speakers, Increase font size, Change window size. Testing with Toolbars 2. ‣ Turn off CSS, Turn off Javascript, Set to Greyscale, Display Structure (Headings, Lists…) Run online Accessibility Tests on representative pages 3. ‣ use more than one tool, example: WebXact & Wave Listen to your pages 4. ‣ JAWS or HomePage Reader 5. If you have access, Run a LIFT Report 6. Hands on Accessibility Testing with Users who have disabilities Copyright © 2005 Knowbility, Inc. Accessible Web Design Techniques 13 Hands On Exercise Testing Tools ► Test any website(s) you choose using ► ► ► ► Copyright © 2005 Knowbility, Inc. webxact.watchfire.com www.wave.webaim.org IE Accessibility Toolbar Firefox Web Developer Toolbar Accessible Web Design Techniques 14