Okay. We're going to hear NVDA, the screen reader, NVDA read this short paragraph and then it will read the alt text of the graphic.
Screen reader: Alt text descriptions slash attribute.
Alt text is an HTML attribute within the img tag.
It is not seen on the screen.
View the HTML source code for the image below to see how alt text is written in the img tag.
Graaphic. Karen at President Lyndon B. Johnson's restored birthplace in Stonewall, TX.