FWIW, I don't use the image replacement techniques either since plain text
alt tags especially when combined with structural mark-up so the alt gets
the proper heading mark-up without images is best in most circumstances. 

Nice to have options though if needed due to special circumstances.

As far as why screen readers read the displayed text I think it is because
most of them are built to use the OS tools to the maximum extent possible to
reduce the need for writing expensive code. That's why most screen readers
are available only for Windows and use IE as the base. 

FWIW, there is a screen reader emulator for Firefox under development. See:
http://www.standards-schmandards.com/index.php?2004/11/22/8-fangs-release-05

Sounds like it might come in useful for that upcoming project.

Cheryl D. Wise
Certified Professional Web Developer
Microsoft FrontPage MVP
http://wiserways.com 


-----Original Message-----
From: Ross Clutterbuck 

I'm not a big fan of image replacement anyway but since we can do so much
with web design/development these days (Microsoft browsers permitting of
course) but also have so many different aspects to consider 9 times in 10 I
move more towards keeping things accessible and don't bother with any image
replacement at all (common page graphics and titles are not usually part of
my heading structure so alt text works fine for them - the meat of my copy
is what I want visitors and search engines to see).

I did however forget about the off-screen positioning of text approach which
does everything IR needs to do yet still is available by screen
readers/accessibility tools (of course I will never understand why screen
readers for web browsers read the rendered version for screen instead of the
markup itself - screen is for display on screen surely?) so thanks for
reminding me.

An upcoming project looks though like I might be needing an awful lot of IR
so cheers for the link too.

MOU 


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