ASCII art used for text alternative Accessibility Checkpoint

Description

img alt text must not use ASCII art (which includes smileys).

Help

Change the alt text to a meaningful description. alt text consisting of punctuation characters sounds like “colon dash right-bracket” when read aloud.

Applicable standards

Note: Section 508 Refresh (2017) checkpoints are equivalent to WCAG 2.0 level A and level AA checkpoints.

Impact on users

  • NVDA 2023.3 / Edge 120
  • JAWS 2023.2311.34 / Edge 120 Meaningless punctuation read.
  • VoiceOver macOS 13.6 / Safari 16.6
  • VoiceOver iOS 16.6 / Safari iOS 16.6

Change history

  • 5.39 Nov 2020 Improved detection.
  • 5.27 Oct 2017 Fixed false positives and negatives. Changed rule ID from AccWcag1-1.1.14 to AccHtmlImgAltAsciiArt.
  • 5.9 Jun 2015 Detect non-standard image tag.
  • 3.5 Dec 2009 Don’t fire for non-Latin characters and images of punctuation characters (e.g. a big question mark graphic).
  • 3.0 Dec 2008 Now triggers WCAG2 issue.
  • 2.0 Dec 2007 Now triggers Section 508 issue.
  • 1.0 Feb 2007 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: AccHtmlImgAltAsciiArt