Nontent

[Vania]

(Noun)
Material of a larger work (literary or otherwise) that is lacking in substance, attraction or worth, and therefore provides nothing to its supposed audience: The opposite of content (noun), usually generated when the author/creator is lazy, apathetic, takes their audience for granted and/or has abandoned the larger work [summarily].

Used primarily to describe Web sites.

(Noun) (Variant)
Something expressed through some medium, as speech, writing, etc; that is empty or devoid of any substantive matter, whose only purpose is to [perpetuate] or justify the existence of the container/medium within which [it exists].

Related: Filler