Images should not have a simple placeholder text as an “alt” attribute

Severity code: Severe error

Any image that is not used decorativey or which is purely for layout purposes cannot have an “alt” attribute that consists solely of placeholders. Placeholders include:

<ul><li>nbsp</li><li>&amp;nbsp;</li><li>spacer</li><li>image</li><li>img</li><li>photo</li></ul>Example

Wrong

<img src="dog.jpg" alt="image">