Types of high-priority accessibility errors in library pages

Example of how to interpret the figures provided below: 92% of the UW-Green Bay web pages that fail the automated Bobby test include at least one image without alternative text.

Percentages of non-Bobby-approved library web pages containing at least one of the following error types, by campus

• UW-Colleges (two-year centers)
  
  No alternative text for image: 100%
  
  
• UW-Eau Claire
  
  No alternative text for image: 100%
  Missing frame title: 10%
  
  
• UW-Green Bay
  
  No alternative text for image: 92%
  No alternative text for image-map hot-spot(s):  100%
  
  
• UW-La Crosse
  
  No alternative text for image: 100%
  No alternative text for image-map hot-spot(s):  91%
  
  
• UW-Madison
  
  No alternative text for image:  25%
  No alternative text for image-map hot-spot(s):  100%
  
  
• UW-Milwaukee
  
  No alternative text for image:  86%
  Missing frame title:  14%
  
  
• UW-Oshkosh
  
  No alternative text for image:  25%
  No alternative text for image-map hot-spot(s):  88%
  Missing frame title:  13%
  
  
• UW-Parkside
  
  No alternative text for image:  100%
  No alternative text for image-map hot-spot(s):  100%
  
  
• UW-Platteville
  
  No alternative text for image:  67%
  Missing frame title:  33%
  Frame does not reference html file:  33%
  
  
• UW-River Falls
  
  No alternative text for image:  100%
  
  
• UW-Stevens Point
  
  No alternative text for image-map hot-spot(s):  50%
  
  
• UW-Stout
  
  No alternative text for image:  88%
  No alternative text for image-map hot-spot(s):  13%
  No alternative text for image-type button:  13%
  
  
• UW-Superior
  
  No alternative text for image:  93%
  No alternative text for image-map hot-spot(s):  71%
  Missing frame title:  7%
  
  
• UW-Whitewater
  
  No alternative text for image:  100%
  No alternative text for image-type button:  33%
  
• All of the above data combined
  
  No alternative text for image:  85%
  No alternative text for image-map hot-spot(s):  55%
  No alternative text for image-type button:  2%
  Missing frame title:  4%
  Frame does not reference html file:  1%
  

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Created by Axel Schmetzke, Library, University of Wisconsin-Stevens Point.
Last updated 04/05/01 .
Comments are welcome! aschmetz@uwsp.edu