Give images that convey information a descriptive text alternative

Images that convey information are necessary for the understanding of the text. These images add extra information to the page. They must have a text alternative that accurately describes what is shown in the image. The content of the text alternative depends on the context and may differ per situation for the same image.

In a CMS, a text alternative can usually be added in the media library.

It looks like this in the code:

The text alternative must be a good substitute for an image. When writing the text alternative, always think about the purpose of the image. Keep a text alternative useful and concise.