Running social ads that do not appear on the advertiser's organic page or profile, so that many variants can be tested without cluttering the feed. Nearly all social advertising is dark in this sense; ad libraries now make dark posts publicly visible.
Related terms
Cite this entry:
Agency Echelon. "Dark Posting." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/dark-posting/