What is Alt Text
Alt Text is the text alternative to an image. It can
- be read by a screen reader for visually impaired users
- be read by bots for search engines
- give details of the image if the user is on a slow network or has chosen not to view images
You should use Alt Text when an image is used to "tell your story", rather than for decoration.
The Alt Attribute (or Alt Tag)
You may have heard of the Alt Tag. The text that you add to an image for screen readers. Apparently it's not a tag, it's an attribute. But this is only really important if you're writing code.
As a writer of words for the Local Offer, the important thing to remember is that
Every image must have an Alt Attribute
BUT
Some Alt attributes can be empty
A blank Alt attribute is added by using double quote marks
Alt = ""
If the image is purely decoration, use this empty, or null, Alt attribute.
Alt Text does NOT have to be part of the Alt tag
If you have text around the image which explains what's in the image then an additional Alt attribute would be too much. The screen reader will read the information from the body text, and then again from the image.
📝Do all your images have a Alt Text?
Discussion
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