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Crosschecking the Mobile Web for People with VisualImpairments Luís Carriço, Rui Lopes, Rogério Bandeira UniversityofLisbon AbsInt – AbsoluteInteractionGroup LaSIGEResearchUnit
Motivation Is it worth to visit this Web site? … and using my mobile device? Atl: A beach in Goa at the sunset with coconut trees, listening to the birds and the waves… WWW, 03-2011 lmc@di.fc.ul.pt 2
Which Guidelines WCAG , … Answer: yes MWBP  Answer: no! … and with disability specifics? We argue: it depends! (… and with mobile specifics? It also depends) WWW, 03-2011 lmc@di.fc.ul.pt 3
WCAG & Disabilities BW, Yesilada et al ACCESSIBLE, Chalkiaet al WWW, 03-2011 lmc@di.fc.ul.pt 4
WCAG & MWBP Chuter and Yesilada for WCAG/MWBP levels of effort (nothing, some.. But… with specifics Dropping guidelines is not straightforward WCAG 2.1 is dropped for non–visual impaired; USE_OF_COLOR should not! Should MWBP be always applied? WWW, 03-2011 lmc@di.fc.ul.pt 5
MWBP & Disabilities A “really smart” phone recognizing a visually impaired user… Towards Mobile Web Accessibility…, Lopes et al WWW, 03-2011 lmc@di.fc.ul.pt 6
Rationale For a specific disability Select WGAG subset Select MWBP subset Adopt them considering the “levels of effort” Mobile Web Accessibly Evaluation Tool, Bandeira WWW, 03-2011 lmc@di.fc.ul.pt 7
Disabilities and Configuration Really drop visual related checks?! Visual impaired & browsers’ configuration What about mobile devices? WWW, 03-2011 lmc@di.fc.ul.pt 8
Questionnaire Desktop Frequency of use Screen readers or what else Browser configuration Why or why not Mobile Basically the same + use it for web browsing Why or why not User profile WWW, 03-2011 lmc@di.fc.ul.pt 9
Sample 18 responses;  9 blind; 9 partially sighted All web desktop users Half use mobile devices 5 blind; 4 partially sighted Thus preliminary WWW, 03-2011 lmc@di.fc.ul.pt 10
Results Blind users Pattern confirmed on both settings Mob: 4/5 disable picture; 5th browse specific sites Both: 6/9 disable picture; 2 disable CSS&JS Partially sighted Generally, no configuration done WWW, 03-2011 lmc@di.fc.ul.pt 11
Discussion Blind users Checks expectations  Must be consolidated by numbers Partially sighted Rejects expectations Must be further studied Could be generalized Evaluate the content based on the user-agent settings WWW, 03-2011 lmc@di.fc.ul.pt 12
What next Extend the study Further understand the scope of the pattern Find other patterns  Understand new guidelines for new mobile devices Devices/configurations/disabilities! WWW, 03-2011 lmc@di.fc.ul.pt 13
Thank you Luis Carriço, lmc@di.fc.ul.pt WWW, 03-2011 lmc@di.fc.ul.pt 14

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Crosschecking the Mobile Web for People with Visual Impairments

  • 1. Crosschecking the Mobile Web for People with VisualImpairments Luís Carriço, Rui Lopes, Rogério Bandeira UniversityofLisbon AbsInt – AbsoluteInteractionGroup LaSIGEResearchUnit
  • 2. Motivation Is it worth to visit this Web site? … and using my mobile device? Atl: A beach in Goa at the sunset with coconut trees, listening to the birds and the waves… WWW, 03-2011 lmc@di.fc.ul.pt 2
  • 3. Which Guidelines WCAG , … Answer: yes MWBP Answer: no! … and with disability specifics? We argue: it depends! (… and with mobile specifics? It also depends) WWW, 03-2011 lmc@di.fc.ul.pt 3
  • 4. WCAG & Disabilities BW, Yesilada et al ACCESSIBLE, Chalkiaet al WWW, 03-2011 lmc@di.fc.ul.pt 4
  • 5. WCAG & MWBP Chuter and Yesilada for WCAG/MWBP levels of effort (nothing, some.. But… with specifics Dropping guidelines is not straightforward WCAG 2.1 is dropped for non–visual impaired; USE_OF_COLOR should not! Should MWBP be always applied? WWW, 03-2011 lmc@di.fc.ul.pt 5
  • 6. MWBP & Disabilities A “really smart” phone recognizing a visually impaired user… Towards Mobile Web Accessibility…, Lopes et al WWW, 03-2011 lmc@di.fc.ul.pt 6
  • 7. Rationale For a specific disability Select WGAG subset Select MWBP subset Adopt them considering the “levels of effort” Mobile Web Accessibly Evaluation Tool, Bandeira WWW, 03-2011 lmc@di.fc.ul.pt 7
  • 8. Disabilities and Configuration Really drop visual related checks?! Visual impaired & browsers’ configuration What about mobile devices? WWW, 03-2011 lmc@di.fc.ul.pt 8
  • 9. Questionnaire Desktop Frequency of use Screen readers or what else Browser configuration Why or why not Mobile Basically the same + use it for web browsing Why or why not User profile WWW, 03-2011 lmc@di.fc.ul.pt 9
  • 10. Sample 18 responses; 9 blind; 9 partially sighted All web desktop users Half use mobile devices 5 blind; 4 partially sighted Thus preliminary WWW, 03-2011 lmc@di.fc.ul.pt 10
  • 11. Results Blind users Pattern confirmed on both settings Mob: 4/5 disable picture; 5th browse specific sites Both: 6/9 disable picture; 2 disable CSS&JS Partially sighted Generally, no configuration done WWW, 03-2011 lmc@di.fc.ul.pt 11
  • 12. Discussion Blind users Checks expectations Must be consolidated by numbers Partially sighted Rejects expectations Must be further studied Could be generalized Evaluate the content based on the user-agent settings WWW, 03-2011 lmc@di.fc.ul.pt 12
  • 13. What next Extend the study Further understand the scope of the pattern Find other patterns Understand new guidelines for new mobile devices Devices/configurations/disabilities! WWW, 03-2011 lmc@di.fc.ul.pt 13
  • 14. Thank you Luis Carriço, lmc@di.fc.ul.pt WWW, 03-2011 lmc@di.fc.ul.pt 14
  • 15. Motivation Do I want to visit this Web site using my mobile device? Alt: none Atl: this is a HUGE picture of a beach in Goa at the sun set with a coconut tree in the first plane… Do not load images! WWW, 03-2011 lmc@di.fc.ul.pt 15