Just a thought. What about HI: Humor Impaired? How are those people covered by both assistive technologies and authors? What can be done for them to also have an equal experience on web?
And I'm half joking: there are medical conditions making people unable to discern humor and irony.
have difficulty understanding abstract concepts (that is, not understand humor as readily, or have difficulty understanding concepts such as the past and the future)
The UCSF team mapped their brains using magnetic resonance imaging, MRI, which showed associations between the deteriorations of particular parts of the brain and the inability to detect insincere speech.
N.B. HI, for real, stands for Hearing Impaired