Level AA is a little more significant, and makes sites accessible to people with a wider range of disabilities, including the most common barriers to use. It won't impact the look and feel of the site as much as Level AAA compliance, though it does include guidance on color contrast and error identification. Most businesses should be aiming for Level AA conformity, and it appears to reflect the level of accessibility the DOJ expects.
Web design is not the same as web development, but sometimes you’ll find a developer or designer with overlapping skills who can perform both. Many web designers create mock-ups of a site or app using graphic design software, while others create custom themes that can be viewed as functional websites. A website designer typically works with a variety of design software and technologies to create responsive layouts and page elements that are visually appealing to users. They’ll work to improve the interface and user experience, and often collaborate with graphic artists, programmers and copywriters along the way.
The Department has assembled an official online version of the 2010 Standards to bring together the information in one easy-to-access location. It provides the scoping and technical requirements for new construction and alterations resulting from the adoption of revised 2010 Standards in the final rules for Title II (28 CFR part 35) and Title III (28 CFR part 36).