All web pages must have complete start and end tags, be nested according to their specifications, not contain duplicate attributes, and IDs must be unique. To ensure ADA compliance, use
Animated gifs that repeat non-stop or more than 3 times in one second should be avoided. To ensure compliance, animated images should stop after 5 seconds or users should be
If any audio plays automatically for more than 3 seconds, either a mechanism must be available at the top of the page to pause or stop the audio, or a
The main content is not usually the first thing on a webpage. This makes it difficult for screen reader users to locate the actual content. Skip links are used on
Users are accustomed to using a variety of methods of finding content on websites. Many users prefer search, others prefer navigation menus, and some prefer to use a sitemap. For
Alternate text, also called alt tags and alt descriptions, describes images to visually impaired users. Without alternative text, the content of an image will not be available to screen reader
While it is a common practice to open external links in a new window it should never be done without first notifying the user. There are many ways to notify
