signal-to-noise ratio; s/n ratio noun the amount of useful content found on an Internet site US A figurative use of a technical term.
A Letterman newsgroup in which most of the postings are pointless discussions of the best Stupid Pet Trick and conjectures about the sexual orientations of the band has a low signal-to-noise ratio. — Andy Ihnatko, Cyberspeak, p. 175, 1997