
Links
to information on Web accessibility, and resources for building sites
that are accessible to all users regardless of disability.

Why
is Web Accessibility Important?
How People
with Disabilities Use the Web
http://www.w3.org/WAI/EO/Drafts/PWD-Use-Web
- Scenarios of
people with disabilities using the Web.
- Different
disabilities that can affect web accessibility.
- Assistive
technologies and adaptive strategies.
Introduction
to Web Accessibility
http://www.webaim.org/intro/
- Explanation
of barriers faced by Web users with various disabilities
- Includes facts
and figures on Web use by people with disabilities.


The
Law: Section 508 of the Rehabilitation Act
Federal Web Accessibility Standards
(summary)
http://usability.gov/accessibility/508.html
- Requires that
federal agencies' electronic and information technology be accessible
to people with disabilities.
- Technical standards
for compliance were published on December 21, 2000 and took effect
June 21, 2001.
- Applies to
all federal and federally funded Web sites.
- Full text of Section
508 standards published in Federal Register.
http://www.access-board.gov/sec508/508standards.htm
Federal
IT Accessibility Initiative: Section508.gov
http://section508.gov/
- Official home
page of Section 508.
- Comprehensive
resource on laws and regulations, training, and current news.
- "Buy Accessible"
- A new service for federal procurement staff.
- "Section
508 Universe" - Training for webmasters.


W3C
Standards and Guidelines


Evaluating
Your Site and Making it Accessible
Tips
and Techniques
508
Checklist
http://webaim.org/standards/508/checklist
- Good checklist
for 508 compliance, provided by the nonprofit WebAIM (Web Accessibility
In Mind).
Considering the
Color Blind: Web Techniques
http://www.webtechniques.com/archives/2000/08/newman/
- A graphic designer
explains what color blindness really is, how it affects Web users
in real-life situations, and what Web designers can do to make their
sites more accessible to color-blind people.
Accessibility
Features of Cascading Style Sheets
http://www.w3.org/TR/CSS-access
- Detailed technical
discussion of features in W3C's Cascading Style Sheets (CSS) that
support and enhance accessibility of Web content when CSS is used
to control the "presentation" (visual or auditory display) of HTML
documents.
Screen
Reader Simulation
http://www.webaim.org/simulations/screenreader
- This simulation
will help you to understand what it is like for a person with visual
impairments to access the Internet using a software program called
a "screen reader." The site will prompt you to download the Shockwave
plug-in if you do not already have it on your computer.
Considering
the Color Blind: Web Techniques
- A graphic designer
explains what color blindness really is, how it affects Web users
in real-life situations, and what Web designers can do to make their
sites more accessible to color-blind people.
Guidelines
for Authoring
http://www.webtechniques.com/archives/2000/08/newman/
- A couple of useful
reminders for Web authors, from the World Wide Web Consortium.
BBEdit
http://www.bbedit.com/products/bbedit.html
- Robust, flexible
HTML editor for Macintosh. The longtime favorite of Mac Web developers.
Has numerous HTML tools, a built-in syntax checker, and support for
the Tidy
plugin (which cleans up your HTML and checks for some accessibility
issues). Integrates well with Dreamweaver (see below).
Web
Design Group (WDG) Cascading Style Sheet Guide
http://www.htmlhelp.com/reference/css/
- An easy-to-understand
guide that will answer many of your questions about what CSS is and
how it works. It was written in 1997, so it doesn't include CSS2 or
information about the current generation of browsers. Nevertheless,
the content is not obsolete.
CSS
Tutorial
http://www.w3schools.com/css/
- If you use CSS,
you'll want to bookmark this page. Much more than a tutorial, it contains
an extensive handbook, examples, and various other style sheet resources
in an easy-to-use format. It's also a great introduction for beginners!
Adding
a Touch of Style
http://www.w3.org/MarkUp/Guide/Style
- A short guide,
especially handy as an introduction to the basic things you can do
with Style Sheets.
CSS
Pointers Group
http://css.nu/
- CSS resources
provided by the members of the comp.infosystems.www.authoring.stylesheets
newsgroup. Includes a useful section on browser bugs and workarounds.
CSS
Frequently Asked Questions
http://www.hwg.org/resources/faqs/cssFAQ.html
- Your guide to
CSS terminology, with examples. From the HTML Writers Guild.
Evaluation and Repair Tools
Note:
There are a number of tools that can assist with diagnosing and repairing
accessibility problems, but they cannot do the job on their own. It
takes a well-informed Web developer to interpret and act on the messages
these tools generate. Making a site accessible requires human judgment
and informed decisions. It is a process that cannot be automated.
Free
Accessibility Tools
Vischeck
and Daltonize Color Blindness Tools
http://vischeck.com/index.php
- Vischeck simulates
color blindness. Daltonize corrects images for colorblind users.
- Available as
a free online tool, Photoshop plug-in, or Java application.
Delorie
Lynx Viewer
http://www.delorie.com/web/lynxview.html
- Free web-based
service simulating a text-only browser.
- Shows approximately
how your pages will sound to a speech user.
Opera
http://www.opera.com/
- A free, fast,
highly standards-compliant Web browser.
- Toggle images,
style sheets, scripting, and tables on and off with a single mouse
click.
- Allows site
managers to check alt-text, see how tables linearize, and ensure
that pages work with style sheets turned off.
NIST
WebMetrics Tool Suite
http://zing.ncsl.nist.gov/WebTools/
- A set of tools
used to test the usability and accessibility of a site.
HTML
Validation Service and CSS Validator
- Minor HTML
and CSS syntax errors can have serious consequences for accessibility.
- Free online
validators from W3C help ensure your pages are error-free, accessible,
and cross-platform compatible.
access.adobe.com
http://access.adobe.com/
- Online tools
for converting PDF files to HTML or ASCII.
- Resources for
visually impaired users and more.
Bobby
http://bobby.watchfire.com/bobby/html/en/index.jsp
- Tool for checking
Web page accessibility and 508 compliance.
- Online service
is free. Desktop version is paid.
- Requires understanding
of HTML.
W3C's
List of Evaluation and Repair Tools
http://www.w3.org/WAI/ER/existingtools.html
- Descriptions
and links to over 30 different kinds of tools.
- Help with evaluation,
retrofitting, and transformation of Web content.
Commercial
Products
Inclusion
in this list does not imply endorsement by The Department of Health and Human Services.
Corda
Technologies
http://www.corda.com/
- Software for
creating accessible, dynamically generated graphs and charts from
complex data.
Colorfield
Insight Color Blindness Simulator
http://www.colorfield.com/
- Photoshop plug-in
(Macintosh) for designers of Web graphics.
LIFT
for Macromedia Dreamweaver
http://www.usablenet.com/lift_dw/lift_dw.html
- Accessibility
tool that works within the Dreamweaver Web-editing application.
- Allows Web
authors to build accessibility into their pages at the development
stage.
- Iterative accessibility
checking reduces need for post-launch repairs.
- Produced by
the Macromedia-UsableNet partnership.
InFocus
http://www.ssbtechnologies.com/products/InFocus.php
- Accessibility
software from SSB Technologies.
AccVerify
http://www.hisoftware.com/access/newvIndex.html
- Accessibility
software from HiSoftware.
PageScreamer http://www.crunchy.com/
- Accessibility
software from Crunchy Technologies.
Training
and Webcasts
ACE/NETC
Online Course
http://www.lgta.org/accessibility/index.html
- Materials from
a six-week electronic class on creating accessible sites, for the
Agricultural Communicators in Education (ACE) and National Extension
Technology Conference (NETC).
Accessibility
Labs


Additional
Resources
Listservs
Nonprofit
Sites
Government
Sites
Federal
IT Accessibility Initiative: Section508.gov
http://www.usda.gov/oo/target.htm
- Official home
page of Section 508.
- Comprehensive
resource on laws and regulations, training, and current news.
- "Buy Accessible"
- A new service for federal procurement staff.
- "Section 508
Universe" - Training for webmasters.
Department
of Justice (DOJ)
http://www.usdoj.gov/crt/508
- The DOJ is
responsible for the enforcement of Section 508. Site includes self-evaluation
tools and background documentation.
Section508.gov
http://section508.gov/
- Official home
page of Section 508.
- Comprehensive
resource on laws and regulations, training, and current news.
- "Buy Accessible"
- A service for federal procurement staff.
Commercial
Sites
WebABLE
http://www.webable.com
- Provides accessibility
services and resources, including a database listing hundreds of
Internet-based resources.
Usable
Web
http://usableweb.com/topics/000262-0-0.html
- Keith Instone's
guide to Web usability resources has a frequently updated list of
accessibility articles and links.
Builder.com
http://builder.cnet.com/webbuilding/pages/Authoring/Accessibility/ss07.html
- Offers general
accessibility tips on color, text-only, and text-to-speech applications.
Microsoft
http://msdn.microsoft.com/library/default.asp?url=/nhp/Default.asp?contentid=28000544
- Provides Web
development and design guidelines and HTML code examples.
SAMS
Teach Yourself Web Publishing With HTML in 21 Days, Second Edition
http://www.amazon.com/exec/obidos/ASIN/0672317257/jomillerA/104-6585879-4480757
-
There
are a lot of HTML resources on the Web, but most of them are out
of date or incomplete, and none of them is as useful and well written
as this book. A hardcover professional
reference edition is also available.
Homesite
http://www.macromedia.com/software/homesite/
-
This
powerful and intuitive WYSIWYG ("what-you-see-is-what-you-get")
HTML authoring tool produces cleaner HTML than competing products.
Includes scripting tools, easy imagemap-creation utilities, and
many advanced features.
Disability
Information and Resources
DisABILITY
Information and Resources
http://www.makoa.org/
- Gateway to all
kinds of disability information.
- Created and are
maintained by Jim Lubin, who is a C2 quadriplegic, completely paralyzed
from the neck down and dependent on a ventilator to breathe, using
an keyboard/mouse emulator with a sip and puff switch to type morse
codes.
World
Association of Persons with Disabilities
http://www.wapd.org/index.html
- Current information,
assistance, and activism for the physically and mentally disabled.
American
Foundation for the Blind Web Site
http://www.afb.org/
- Includes information
and statistics on blindness and low vision.
- Tips for accessible
web design; technology in the lives of people with visual impairments,
more.
How
People With Disabilities Use the Web
http://www.w3.org/WAI/EO/Drafts/PWD-Use-Web/Overview.html
- Scenarios showing
how people with disabilities use assistive technologies to access
Web sites.
- Simple steps
web authors can take to improve user experience.
Thirty-Something
(Million): Should They Be Exceptions?
http://www.w3.org/WAI/EO/Drafts/PWD-Use-Web/Overview.html
- The economic
and universal benefits of accessible design.
Screen
Reader Simulation
http://www.webaim.org/tutorials/simulations/screenreader
- Demonstrates
how a visually-impaired person using a screen-reader experiences the
Internet.
Considering
the Color Blind: Web Techniques
http://www.webtechniques.com/archives/2000/08/newman/
- A graphic designer
explains what color blindness really is and how it affects Web users
- What Web designers
can do to make their sites more accessible to color-blind people.
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