Conformance Level AAA Guidelines

23 Guidelines

  • Sign Language (Prerecorded): Are you providing pre-recorded sign language videos for audio content in a media file? (Success Criterion 1.2.6 – Level AAA)
  • Extended Audio Description (Prerecorded): If the video content doesn’t contain adequate pauses that allow for a secondary audio track (“audio description”), are you editing the video to create or extend pauses to describe on screen visuals? (Success Criterion 1.2.7 – Level AAA)
  • Media Alternative (Prerecorded): Are you providing a text document with all visual and auditory information as an alternative for any media file? (Success Criterion 1.2.8 – Level AAA)
  • Audio-only (Live): Are you providing text content as an alternative for the information conveyed by live audio? (Success Criterion 1.2.9 – Level AAA)
  • Contrast (Enhanced): Is the contrast between the text and its background 7:1 or greater? (Success Criterion 1.4.6 – Level AAA)
  • Low or No Background Audio: For pre-recorded audio content, have background sounds been removed, or has a way for users to turn off or lower background sounds been provided? (Success Criterion 1.4.7 – Level AAA)
  • Visual Presentation: Does the text layout and design of your site or application enhance readability and allow for user customization? (Success Criterion 1.4.8 – Level AAA)
  • Images of Text (No Exception): Are you avoiding the use of images of text? (Success Criterion 1.4.9 – Level AAA)
  • Keyboard (No Exception): Are all website/application controls and content fully operable with no exceptions through a keyboard interface? (Success Criterion 2.1.3 – Level AAA)
  • No Timing: Is your website/application free from time limits? (Success Criterion 2.2.3 – Level AAA)
  • Interruptions: Can users postpone or suppress server-side interruptions with the exception of those that involve an emergency? (Success Criterion 2.2.4 – Level AAA)
  • Re-authenticating: When re-authentication is required, is previously entered data retained? (Success Criterion 2.2.5 – Level AAA)
  • Three Flashes: Does your web content contain anything that flashes more than 3 times within a 1 second period? (Success Criterion 2.3.2 – Level AAA)
  • Location: Can the user determine their location in a web site or web application based on the page content, navigation, or other indicators. (Success Criterion 2.4.8 – Level AAA)
  • Link Purpose (Link Only): For each link in your platform/content, does the link text alone provide definition of the purpose of the link? (Success Criterion 2.4.9 – Level AAA)
  • Section Headings: Are descriptive section headings provided for sections of lengthy content such as chapters and subchapters, topics and subtopics, etc? (Success Criterion 2.4.10 – Level AAA)
  • Unusual Words: Do you provide definitions for any unusual words or topic specific jargon used on your website/application? (Success Criterion 3.1.3 – Level AAA)
  • Abbreviations: Does your website/application allow users to access abbreviations and acronyms in an expanded form? (Success Criterion 3.1.4 – Level AAA)
  • Reading Level: Do you have a method to measure and determine the reading level of various parts of content within your platform/content? Do you provide supplemental content, or a lower level reading versions of content that is above the lower secondary education level? (Success Criterion 3.1.5 – Level AAA)
  • Pronunciation: Does your website/application provide a mechanism to properly pronounce words that are ambiguous or indeterminate when pronunciation is vital to understanding the meaning? (Success Criterion 3.1.6 – Level AAA)
  • Change on Request: In your website/application, are there functions or controls that will auto-initiate changes in context not specifically requested by the user? (Success Criterion 3.2.5 – Level AAA)
  • Help: In your website/application, do you provide context-sensitive help on how to perform operations when the label is not sufficient to explain the context? (Success Criterion 3.3.5 – Level AAA)
  • Error Prevention (All): In your website/application, do you provide a way for a user to reverse a submission, correct input errors, or confirm data before final submission? (Success Criterion 3.3.6 – Level AAA)