There are tremendous differences among campuses (combined data sets)
UW Campuses (2000)
[percentages]
[average errors]National Sample (2000)
Finding #2
Differences among campuses are even more pronounced for specific data sets
UW campuses (2000)
Nationwide Sample
Finding #3
On the average, general campus pages have about the same degree of accessibility in all three data sets.
Table summarizing general campus data
| Bobby-Approved Pages | |
| UW 1999 |
48% (SD=36) |
| UW 2000 |
43% (SD=36) |
| National 2000 |
46% (SD=32) |
Finding #4
In 1999, library web sites within the University of Wisconsin System were not paragons of virtue; they tended to be less accessible than campus pages.
Table summarizing UW data (1999)
| Bobby-Approved Pages | |
| Campus |
48% (SD=36) |
| Library |
31% (SD=33) |
[Campus and library data comparison--1999]
Finding #
5In
2000, library web sites within the UW system, on the average, were still not paragons of virtue. However, some overall improvement occurred.Table summarizing UW data (2000)
| Bobby-Approved Pages | |
| Campus |
43% (SD=36) |
| Library |
40% (SD=35) |
[UW campus and library data comparison--2000]
Finding #6
On larger campuses (nationwide sample), library web pages tend to be more accessible than campus web pages.
Table summarizing National data (2000)
| Bobby-Approved Pages | |
| Campus |
46% (SD=32) |
| Library |
65% (SD=32) |
[Nationwide campus and library data comparison--2000]
Table summarizing Library Data
| Bobby-Approved Pages | |
| UW 1999 |
31% (SD=33) |
| UW 2000 |
40% (SD=35) |
| National 2000 |
65% (SD=32) |
Finding #7
While, on the average, UW library web pages showed some improvement, no improvement was found for UW campus web pages.
Table summarizing UW data (1999 and 2000)
|
Bobby-Approved Pages |
||
| 1999 | 2000 | |
| Campus | 48% (SD=36) | 43% (SD=35) |
| Library |
31% (SD=19) |
40% (SD=35) |
UW campuses data (1999 and 2000)
Finding #8
LIS Schools/Departments do not assume a leadership role in accessible web design.
Table summarizing National data (2000)
| Bobby-Approved Pages | |
| Campus |
46% (SD=32) |
| Library |
65% (SD=32) |
| LIS |
19% (SD=28) |
[Percentages of Bobby-approved LIS data pages (nationwide samples, 2000)]
[Percentages of Bobby-approved campus, library and LIS pages (nationwide data, 2000)]
[Average errors per web page, by campus, library, and LIS pages (nationwide data, 2000)]
Finding #9
Most accessibility errors are due to the omission of alternative text for graphical elements (both simple images and client-side image-map hotspots).
Finding #10
A high percentage of high-priority accessibility errors could be easily corrected.
List of accessibility errors
Easy to correct
- No alternative text for image
- No alternative text for hot spots on image map
- No title for frame
Somewhat difficult to correct
- No alternative text for applet
- No alternative content for applet
- No alternative contend for script containing important information
Hard to correct
- Page not readable and usable without frame-capable browsers
- Server-side image without viable text-based alternative
[brief overview]
[Go to: accessibility page data] [Go to: companion web site to my DEED 2000 presentation]