While the U.S. Department of Labor's (DOL) Office of Disability Employment Policy (ODEP) does not enforce the ADA, it does offer publications and other technical assistance on the basic requirements of the law, including covered employers’ obligation to provide reasonable accommodations to qualified job applicants and employees with disabilities. For a quick overview of the ADA read “The Americans with Disabilities Act: A Brief Overview.”
Legal precedent is changing, and ADA compliance related lawsuits are becoming more successful, and the courts are seeing more of them as a result. Title III of the Americans with Disabilities Act pertains to private sector businesses. Lately, those protections are more frequently expanding into digital territory as web and mobile applications become more necessary in our day-to-day lives.
While legal considerations might be your biggest worry, making your site more accessible is simply good customer service. More than 39 million Americans are blind and another 246 million have "low vision," Another one million are deaf in the U.S. Add to that people with mobility issues that prevent them from using their hands and that's a huge portion of the country's buying power.

This plugin has been very useful in creating a fully ADA compliant site. Not only is it cheaper than most plugins, it encourages you as you work on the site. Letting you know what needs changed, and how far you have left to go. There's been a few issues' I've noticed with the builder "Themify", in the scanning. But whatever the issue is, most of the time the plugin creator has been very helpful in resolving these issues. The creator of the plugin responds within about 3 hours or less whenever you email. Most the time it's less than 30 minutes depending on the issue. Very glad to have such great support for the plugin. I highly recommend any business that is looking for building a ADA Compliant site, to use this plugin as it has done a great job for websites I use, and it's got a great price tag! It's well worth the price, and the additional features it gives to show you the definition of what each error is, is very useful.
The 2014 case involving Peapod, an online grocery retailer emphasizes that being ADA compliant goes beyond your website. The settlement required Peapod to make its mobile applications accessible by March 2015 and its website accessible by September 2015. Since mobile apps are fast becoming the preferred method of online shopping, e-commerce sites must focus on app accessibility too. 
Monica is the creative force and founder of MayeCreate. She has a Bachelor of Science in Agriculture with an emphasis in Economics, Education and Plant Science from the University of Missouri. Monica possesses a rare combination of design savvy and technological know-how. Her clients know this quite well. Her passion for making friends and helping businesses grow gives her the skills she needs to make sure that each client, or friend, gets the attention and service he or she deserves.

Thanks for writing. While I’m not a lawyer I believe if your physical practice is ADA exempt your web presence, as an extension of that physical business would maintain the same exemption status. If you’d like to be absolutely certain I’d confer with an ADA lawyer (email us, questions at yokoco dot com if you need a referral) but I don’t believe you have reason to worry.
...the full and equal enjoyment of the goods, services, facilities, or accommodations of any place of "public accommodation" by any person who owns, leases, or operates a place of public accommodation. Public accommodations include most places of lodging (such as inns and hotels), recreation, transportation, education, and dining, along with stores, care providers, and places of public displays.
A person’s method(s) of communication are also key. For example, sign language interpreters are effective only for people who use sign language. Other methods of communication, such as those described above, are needed for people who may have lost their hearing later in life and do not use sign language. Similarly, Braille is effective only for people who read Braille. Other methods are needed for people with vision disabilities who do not read Braille, such as providing accessible electronic text documents, forms, etc., that can be accessed by the person’s screen reader program.
Web developers need to keep this in mind when creating websites. The best screen readers use naturalized voices and alter tone and inflection based on HTML tags, so choose layout elements carefully. It is also important to keep in mind that navigation is significantly slower when using a screen reader than it is for sighted people. Sighted people don't have to wait for the reader to get to the link we want- we spot links quickly and are able to navigate to our sought items, often without having to do any reading at all. Minimizing graphics also helps shorten reading times and speed navigation for disabled users.
UPDATE: Since writing this post in August 2017, several important changes have taken place in the laws regarding ADA compliance for websites. On December 26, 2017, the Department of Justice announced that they have withdrawn the Obama-era Advance Notice of Proposed Rulemaking mentioned in this article which intended to require ADA website compliance. The DOJ’s withdrawal announcement stated, “The Department will continue to assess whether specific technical standards are necessary and appropriate to assist covered entities with complying with the ADA.”
In an August 2016 case involving the University of California Berkeley, the DOJ ruled that the public university was in violation of ADA Title II (similar to Title III but it instead applies to government organizations) because their YouTube channel’s videos didn’t include captions for hearing impaired visitors. The DOJ found this to violate the ADA as deaf users did not have equal access to the online content.

Additionally, in February 2018, Congress passed the ADA Education and Reform Act, a bill designed to make it harder for disabled Americans to sue businesses for discrimination. Republican lawmakers who wrote and passed the bill argue that the law will help curb “frivolous” lawsuits, while opponents have argued that this law will gut the ADA, essentially giving businesses little reason to follow the ADA guidelines at all.

A critical and often overlooked component of ensuring success is comprehensive and ongoing staff training. Covered entities may have established good policies, but if front line staff are not aware of them or do not know how to implement them, problems can arise. Covered entities should teach staff about the ADA's requirements for communicating effectively with people who have communication disabilities. Many local disability organizations, including Centers for Independent Living, conduct ADA trainings in their communities. The Department’s ADA Information Line can provide local contact information for these organizations.
Video remote interpreting (VRI) is a fee-based service that uses video conferencing technology to access an off-site interpreter to provide real-time sign language or oral interpreting services for conversations between hearing people and people who are deaf or have hearing loss. The new regulations give covered entities the choice of using VRI or on-site interpreters in situations where either would be effective. VRI can be especially useful in rural areas where on-site interpreters may be difficult to obtain. Additionally, there may be some cost advantages in using VRI in certain circumstances. However, VRI will not be effective in all circumstances. For example, it will not be effective if the person who needs the interpreter has difficulty seeing the screen (either because of vision loss or because he or she cannot be properly positioned to see the screen, because of an injury or other condition). In these circumstances, an on-site interpreter may be required.

@Rick, I didn't specifically look at doctype, but Steve Faulkner did in his original article (see the link at the top of this post). He found that 101 of the 130 pages containing role="main" (78%) used the HTML5 doctype, which of course leaves 22% that didn't. I do recommend using ARIA even if using an earlier doctype. Validation is important, but if validation and accessibility conflict, I think most would agree accessibility should trump validation. Assistive technologies that support ARIA landmarks do so regardless of doctype, and otherwise the presence of these role attributes has no ill effects in any user agent.
Both sites include hidden same-page links at the top of the page for skipping to particular content. The CDC site includes five of these links, roughly corresponding with each of the landmark regions. These links become visible when keyboard users tab into the page. These links may ultimately be unnecessary if browsers support navigation by headings or landmarks. Screen readers already provide this support, but until browsers do so natively, non-mousers with eyesight can benefit from skip links like the ones on these government sites.
Eric Kazda is a leading expert in the interactive development industry with over fifteen years of experience. With a mastery of critical development technologies, Eric has crafted innovative award-winning work for clients both large and small. Coupling this knowledge with a real world understanding of usability and technological feasibility, his work is developed to be accessible by every user.
The U.S. Department of Transportation enforces regulations governing transit, which includes ensuring that recipients of federal aid and state and local entities responsible for roadways and pedestrian facilities do not discriminate on the basis of disability in highway transportation programs or activities. The department also issues guidance to transit agencies on how to comply with the ADA to ensure that public transit vehicles and facilities are accessible.
When choosing an aid or service, title II entities are required to give primary consideration to the choice of aid or service requested by the person who has a communication disability. The state or local government must honor the person’s choice, unless it can demonstrate that another equally effective means of communication is available, or that the use of the means chosen would result in a fundamental alteration or in an undue burden (see limitations below). If the choice expressed by the person with a disability would result in an undue burden or a fundamental alteration, the public entity still has an obligation to provide an alternative aid or service that provides effective communication if one is available.
My request at this point is if the developers of the plugin could please implement a solution like this so that the plugin can be compliant natively, without me having to jump in and edit the code every time the plugin is updated. It doesn’t need to be this solution exactly, as this is admittedly a bit of a rough fix, but if the buttons could be modified with ADA compliance in mind, it would make things a lot easier for sites that use this and have these requirements to meet.

The ADA guidelines provide the foundation that organizations need to achieve digital accessibility best approaches, however they are not exhaustive. They do not provide direction for all of the accessibility challenges that people with disabilities face. They also fail to provide detailed technical instructions. With these limitations in mind, there is a ray of hope.

Accessible Poetry comes with a toolbar with buttons to change font size, adjust contrast, disable animations, and more. Also, Skiplinks are available that let users navigate between main areas of the page using the keyboard, and if an image doesn’t have Alt text, you’ll be alerted (you can even add ALT text without leaving this screen). Beyond that, outline effects for objects in focus mode, link underlining, and custom CSS/JS code addition are supported. To access this resourceful toolbar, just click the floating button on the screen.
For people who are blind, have vision loss, or are deaf-blind, this includes providing a qualified reader; information in large print, Braille, or electronically for use with a computer screen-reading program; or an audio recording of printed information. A “qualified” reader means someone who is able to read effectively, accurately, and impartially, using any necessary specialized vocabulary.

WordPress themes designed with accessibility in mind tend to be easier to use and clearer to navigate than their contemporaries. While you may have specific goals in mind like ADA compliance or WCAG 2.0 standards to pass, rest assured that you won’t have to sacrifice on design quality. You’ll likely find a theme with a higher standard of design by searching for templates with these requirements.
The Americans with Disabilities Act (ADA) prohibits discrimination against people with disabilities in several areas, including employment, transportation, public accommodations, communications and access to state and local government’ programs and services. As it relates to employment, Title I of the ADA protects the rights of both employees and job seekers. The ADA also establishes requirements for telecommunications relay services. Title IV, which is regulated by the Federal Communications Commission (FCC), also requires closed captioning of federally funded public service announcements.

Since March 15, 2012, ADA compliance with the 2010 Standards will be required for new construction and alterations. In the period between September 15, 2010 and March 15, 2012, covered entities may choose between the 1991 Standards ADA Compliance (without the elevator exemption for Title II facilities), the Uniform Federal Accessibility Standards (Title II facilities only), and the 2010 Standards ADA Compliance.