Assessing the Accessibility Compliance of US Libraries on the Web

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6 Findings and Discussion

Following the previous Section’s analysis and results, the research proceeds to reveal what answers could clarify the questions being raised on the current LibWeb accessibility status.

Both FAE and WAVE have been verified as the independent measuring tools for assessing the LibWeb accessibility compliance. The former with a mean score (5.88) seems stricter than the latter with a mean score (6.50). This is not unusual, for example a “data table” rule in FAE’s Navigation & Orientation category and a nested “structural table” in FAE’s Styling category always get no errors by the WAVE tool. And it is understandings that a “data table” without the proper description and a nested “structural table” are difficult to browse and figure out its contents for people with visual-impaired disability in using a screen reader.

[1]: How well do the current LibWeb sites as a whole follow the accessibility compliance?

Since the converted scores apply the attribute of normal distribution, the sites count in percentage generally does not deviate away very much from the theoretical percentage. The FAE and WAVE measuring scores in mean for LibWeb as a whole are 5.88 and 6.50, correspondingly. To earn at least a “Good” score (7), both the current mean scores are not good enough and imply that the LibWeb as a whole still has an ample space for improvement on accessibility compliance.

By both (FAE & WAVE) evaluations in frequency percentage, it shows that “Fair” (48 % & 33%) and “Good” (26% & 23%) grades consistently make the most for the LibWeb as a whole on accessibility compliance. Which says over half (74% & 56%) of the LibWeb sites only earn a mediocre grade and less one-third (13% & 30%) of the LibWeb sites merits...

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