Supply-side platform (SSP)

An advertising-technology platform used to sell a publisher’s ad space in an automated fashion, typically via Real-time bidding (RTB) auctions.

SSPs are most often used by online publishers (websites and apps) to help them obtain the most Yield possible from their display, video, mobile and native ad inventory.

In order to sell this available ad space, a Supply-side platform (SSP) connects with multiple ad exchanges and networks, which in turn offer the inventory to advertisers via Demand-side platform (DSP)s.

Many of today’s SSPs include exchange mechanisms, meaning publishers can use Supply-side platform (SSP)s to manage their available inventory and sell it to Demand-side platform (DSP)s via Real-time bidding (RTB) auctions, rather than having to connect to multiple exchanges first.


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