Image Alt Text Wcag. Alt text the concept of adding a screen reader friendly text alternative description of an image. Alt it indicates to assistive technology that the image can be safely ignored.
The purpose of this technique is to show how images can be marked so that they can be ignored by assistive technology. See example below for what a screen reader experiences when no alt text is used. Wcag technique h67 clearly states that.
Alt text the concept of adding a screen reader friendly text alternative description of an image.
If it s a picture that has a purpose information or function then it needs descriptive alt text. Alt it indicates to assistive technology that the image can be safely ignored. See example below for what a screen reader experiences when no alt text is used. Alt text refers to invisible description of images which are read aloud to blind users on a screen reader.