Accessibility at Penn State | Image ALT Text

Page Content

  • About ALT Text
  • Accurate, Concise Description
  • Artistic Example
  • Caption vs. ALT Text
  • Long Description
  • Empty ALT Text (Web Pages)
  • Images as Links (Web Pages)

About ALT Text

ALT text refers to invisible description of images which are read aloud to blind users on a screen reader. Adding ALT text allows authors to include images, but still provide the content in an alternative text based format. See example below for what a screen reader experiences when no ALT Text is used.

Because this page has no image ALT tags, it is unusuable when images fail to display.
Note: Nittany Bus Depot is a [...]

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