1.1.1 Non-text Content Level A

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Conformance Levels

Description

All non-text content that is presented to the user has a text alternative that serves the equivalent purpose, except for the situations listed below:

Controls, Input: If non-text content is a control or accepts user input, then it has a name that describes its purpose. (Refer to Guideline 4.1 for additional requirements for controls and content that accepts user input.)

Time-Based Media: If non-text content is time-based media, then text alternatives at least provide descriptive identification of the non-text content. (Refer to Guideline 1.2 for additional requirements for media.)

Test: If non-text content is a test or exercise that would be invalid if presented in text, then text alternatives at least provide descriptive identification of the non-text content.

Sensory: If non-text content is primarily intended to create a specific sensory experience, then text alternatives at least provide descriptive identification of the non-text content.

CAPTCHA: If the purpose of non-text content is to confirm that content is being accessed by a person rather than a computer, then text alternatives that identify and describe the purpose of the non-text content are provided, and alternative forms of CAPTCHA using output modes for different types of sensory perception are provided to accommodate different disabilities.

Decoration, Formatting, Invisible: If non-text content is pure decoration, is used only for visual formatting, or is not presented to users, then it is implemented in a way that it can be ignored by assistive technology.

[View on W3C.org]

Questions & Answers

How much alt text does my map need?

I’m updating a website with an apartment community map. The map includes a map legend and shows the locations of buildings, mailboxes, and other outdoor amenities like our BBQ grills. I’ve added alternative text to the map: “The River Drive apartment complex map and map...

  • alt text
  • complex images
  • graphics