RE: web accessibility testing
- From: james.homme@xxxxxxxxxxxx
- To: programmingblind@xxxxxxxxxxxxx
- Date: Tue, 9 Oct 2007 09:11:51 -0400
Hi,
W3C promotes style sheets. 508 and W3C both say that your site must be
usable with style sheets disabled. 508 never talks about how to write your
code. W3C guidelines does.
Here is paragraph (d) from 508.
(d) Documents shall be organized so they are readable without requiring an
associated style sheet.
Here is what W3C says on this point.
6.1 Organize documents so they may be read without style sheets. For
example, when an HTML document is rendered without associated style sheets,
it must
still be possible to read the document. [Priority 1] (Checkpoint 6.1)
Most of the paragraphs of 508 exactly mirror the level 1 W3C guidelines.
I am organizing my thoughts into a message to the list that I will send
later. Hopefully, it will be clear enough to shed some light on the
subject. No pun intended.
Jim
James D Homme, , Usability Engineering, Highmark Inc.,
james.homme@xxxxxxxxxxxx, 412-544-1810
"It's more important for me to start to do the right thing than it is to
wait until I think I
can do it just right."
"Julio C. Perez"
<jcperez1@optonli
ne.net> To
Sent by: programmingblind@xxxxxxxxxxxxx
programmingblind- cc
bounce@freelists.
org Subject
RE: web accessibility testing
10/09/2007 07:43
AM
Please respond to
programmingblind@
freelists.org
When you say "style sheets" are you speaking of "cascading style sheets
(CSS)"? If so, why would you want to "stay independent of style sheets". I
thought that the w3c and 508 guidelines promote the use of style sheets.
Can
you enlighten me on this matter?
Sincerely,
Julio C. Perez
Let us be aware of the source of being, common to us all and to all living
things.”
Thich Nhat Hanh
jcperez1@xxxxxxxxxxxxx
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Robbie Miller
Sent: Saturday, October 06, 2007 12:34 PM
To: programmingblind@xxxxxxxxxxxxx
Subject: Re: web accessibility testing
Hello Léonie,
I'll give this tool a try.
Thanks.
Robbie
robbie@xxxxxxxxxxxxxxxxxxx
----- Original Message -----
From: "Léonie Watson" <tink@xxxxxxxxxx>
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Friday, October 05, 2007 4:33 PM
Subject: RE: web accessibility testing
Robbie,
For a foreground/background colour pair to show good contrast, they
should pass tests for colour difference and brightness. The W3C provides
two
algorithms for working these out.
Essentially, a colour pair must return a score of 500 or higher for
colour difference and a score of 125 or higher for brightness. HP propose a
slightly more lenient score of 400 for colour brightness, which is
perfectly
acceptable.
There are several online tools you can use to test two colours,
providing you have the hex colour codes. There's one on my site:
http://www.tink.co.uk/content/colour_checker.php
Regards,
Léonie.
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Robbie Miller
Sent: 05 October 2007 15:01
To: Blind Programming
Subject: web accessibility testing
Hello Listers,
I've been asked to do an accessibility - section 508 evaluation of a web
site. My question is, how can I test a page to see if it:
1.) "Remain Independent of Color" and 2.) "Stay Independent of Style
Sheets"?
Are there any tools I can use to do this?
Any help on this would be appreciated.
Also, if there are any resources on web accessibility testing, please let
me
know.
Thank you.
Robbie
robbie@xxxxxxxxxxxxxxxxxxx
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