Alt text
Alt text describes the function or relevant content of an image when it cannot be seen
What it means, how it is used and where it comes up, with its related concepts.
What it is and how it works
It helps people who use screen readers and adds context to the content. It should be written according to how the image is used. A purely decorative image usually needs an empty alternative, while an informative chart may require an additional explanation.
Also known as
Alt attribute
Topics