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RE: Selecting Web Accessibility Evaluation Tools

From: Andrew Arch <andrew.arch@nils.org.au>
Date: Fri, 28 Jan 2005 11:35:42 +1100
To: "'EOWG'" <w3c-wai-eo@w3.org>
Message-ID: <00ab01c504d1$674fb4c0$41c8a8c0@yourdh7axfhyur>

Hello Sylvie, Shadi, All,

re: Precision - Shadi made a valid point about the faults of evaluation
tools (particularly the automated ones), however Sylvie's concern about not
understanding this is also valid. How can we provide examples of this to aid
understanding? For example, we recently used a particular automated testing
tool on our own site and were told we failed Checkpoint 9.4 (tabbing
order) - we had a logical tab order, but no "tabindex" attributes! We
undertook a study a while ago that confirmed the problem (see
http://ausweb.scu.edu.au/aw03/papers/arch/paper.html), and others have also
talked about the issue.

Re: Crawling - does "spidering" work better for anyone?

Dr Andrew Arch
Accessible Information Solutions, NILS
Ph +613 9864 9282; Fax +613 9864 9370

National Information and Library Service
A subsidiary of RBS.RVIB.VAF Ltd.

-----Original Message-----
From: w3c-wai-eo-request@w3.org [mailto:w3c-wai-eo-request@w3.org]On
Behalf Of Sylvie Duchateau
Sent: Saturday, 22 January 2005 12:31 AM
To: 'EOWG'
Subject: Re: Selecting Web Accessibility Evaluation Tools

Hello Shadi and all,

While reading the "selecting tools" document, I have difficulties
understanding following content:

1. In "semi-automated Web Accessibility Evaluation Tools" in the third item
of the list: "precision":
"Every evaluation tool is prone to claiming false results such as not
potential accessibility barriers, or wrongly claiming that Web content does
not conform to certain checkpoints." This sentence insnot clear to me.

2. When I read the following item of the list, I also cannot imagine what
that mean:
"Crawling: How well does the evaluation tool traverse the entire target

3. In "manual evaluation tools" I have difficulties understanding the
sentence: "
Manual Web accessibility evaluation tools help educate Web developers in
understanding the impact and context of the accessibility barriers which
leads to long term resolution of mistakes."

4. "3. Evaluating the Accessibility Features of Web Sites" is very clear and



A 16:21 20/01/2005, Shadi Abou-Zahra a écrit :

>Ref: <http://www.w3.org/WAI/EO/Drafts/eval/selectingtools.html>
>According to this weeks agenda, we will be discussing this new version of
the draft in our meeting. Please feel free to also send comments to the
list, I'd be especially interested in knowing how well this version
clarifies the different types of tools and which issues it still needs to
>Looking forward to a fruitful discussion.
>  Shadi
>---                                                    ---
>Shadi Abou-Zahra,  Web Accessibility Specialist for Europe
>World Wide Web Consortium (W3C),         http://www.w3.org
>Web Accessibility Initiative (WAI),  http://www.w3.org/WAI
>2004, Route des Lucioles - 06560 Sophia-Antipolis - France
>Voice: +33(0)4 92 38 50 64        Fax: +33(0)4 92 38 78 22

Sylvie Duchateau
Association BrailleNet
Tél.: +33 (0) 1 44 27 26 25
Web: http://www.braillenet.org
Received on Friday, 28 January 2005 00:37:05 UTC

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