Conformance Level A Guidelines

25 Guidelines

Non-Text Content:

Does your site or application provide text alternatives for images or other non-text content? (Success Criterion 1.1.1 – Level Level A)

Audio-only and Video-only (Prerecorded):

Does your site or application provide transcripts for audio only files, and descriptions for what is happening in a video only file? (Success Criterion 1.2.1 – Level Level A)

Captions (Prerecorded):

If your site or application has video content, are captions available? (Success Criterion 1.2.2 – Level Level A)

Audio Description or Media Alternative (Prerecorded):

Are you providing an optional audio track or text alternative to describe what is happening visually in all video content? (Success Criterion 1.2.3 – Level Level A)

Info and Relationships:

Is the information, structure, and relationships of the content on your site or application maintained when being accessed with assistive technology? (Success Criterion 1.3.1 – Level Level A)

Meaningful Sequence:

Is the content on your site or application presented in a logical reading order when viewed with assistive technology, an alternate stylesheet, or by keyboard only navigation? (Success Criterion 1.3.2 – Level Level A)

Sensory Characteristics:

Are you avoiding using sensory language or sounds as the only way to describe controls or provide directions on how to operate your site or application? (Success Criterion 1.3.3 – Level Level A)

Use of Color:

Are you ensuring that color is not the only means of providing information or distinguishing visual content? (Success Criterion 1.4.1 – Level Level A)

Audio Control:

Are you making sure audio does not play automatically when a page loads? (Success Criterion 1.4.2 – Level Level A)


Are all website/application controls and content fully operable through a keyboard interface? (Success Criterion 2.1.1 – Level Level A)

No Keyboard Trap:

Can keyboard focus be moved into and out of web content and components without getting stuck in keyboard traps? (Success Criterion 2.1.2 – Level Level A)

Timing Adjustable:

If web content uses time limits can a user turn off, adjust or extend those time limits? (Success Criterion 2.2.1 – Level Level A)

Pause, Stop, Hide:

Can moving, blinking, scrolling or auto-updating content be paused, stopped or hidden by the user? (Success Criterion 2.2.2 – Level Level A)

Three Flashes or Below Threshold:

Does any web content flash more than 3 times within a 1 second period, or the flash is below the general flash and red flash thresholds? (Success Criterion 2.3.1 – Level Level A)

Bypass Blocks:

Is there a way for users to bypass blocks of content such as setting controls, large navigation areas, etc. that are repeated on multiple web pages? (Success Criterion 2.4.1 – Level Level A)

Page Titled:

Does every webpage have it’s own descriptive title? (Success Criterion 2.4.2 – Level Level A)

Focus Order:

Do focusable components of the content receive focus in a sequential order that is consistent and preserves meaning? (Success Criterion 2.4.3 – Level Level A)

Link Purpose (In Context):

For each link in your web content, does the link text, or surrounding context provide definition of the purpose of the link? (Success Criterion 2.4.4 – Level Level A)

Language of Page:

Is the language of each page properly identified in the code for your web site/application? (Success Criterion 3.1.1 – Level Level A)

On Focus:

In your website/application, does any component initiate a change of context when it receives focus? (Success Criterion 3.2.1 – Level Level A)

On Input:

In your website/application, are their controls that cause an unexpected change in context when modified or activated? (Success Criterion 3.2.2 – Level Level A)

Error Identification:

If an input error occurs in your website/application, is the error identified and described to the user in text form? (Success Criterion 3.3.1 – Level Level A)

Labels or Instructions:

In your website/application, do input fields have sufficient labeling and instructions describing what input data is expected? (Success Criterion 3.3.2 – Level Level A)


To ensure proper parsing, is website/application code complete, according to specifications, nested correctly, free of duplicate attributes, and are all IDs unique? (Success Criterion 4.1.1 – Level Level A)

Name, Role, Value:

In your platform/content, are there any interface components that have been developed or scripted internally that may not provide name, role, and value appropriately? (Success Criterion 4.1.2 – Level Level A)