Originally Posted by Old Pedant
Okay, you can click on such a label and then...so what?
Not everyone can see the web page - how is a blind person supposed to tell what label belongs to which field if they are not defined as labels. Its the same as supplying alt text for images so that the blind person at least knows what the purpose of the image they can't see is and specifying the relationships between the headings and columns/rows in a table. In each of these cases what is obvious to someone who can actually see the page is only obvious to the person listening to the page because they get told the extra information.
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