What is SSP?

Supply-Side Platform – software that helps publishers sell ad inventory programmatically.

Understanding SSP

SSP, or Supply-Side Platform, is technology that helps publishers manage and sell their ad inventory to advertisers through automated, programmatic channels. SSPs are the publisher-side counterpart to DSPs (Demand-Side Platforms).

SSPs connect publishers to multiple ad exchanges, ad networks, and DSPs, allowing them to maximize revenue by creating competition among buyers for their inventory. They optimize pricing through real-time bidding (RTB) and provide publishers with controls over which advertisers can access their inventory. For most advertisers, SSPs are behind-the-scenes technology, but understanding how they work helps you navigate programmatic advertising more effectively.

Frequently Asked Questions

What is SSP?

Supply-Side Platform – software that helps publishers sell ad inventory programmatically.

SSP, or Supply-Side Platform, is technology that helps publishers manage and sell their ad inventory to advertisers through automated, programmatic channels. SSPs are the publisher-side counterpart to DSPs (Demand-Side Platforms).

What does SSP stand for?
Supply-Side Platform – software that helps publishers sell ad inventory programmatically.
Why is SSP important?

While advertisers don't directly use SSPs, understanding them is crucial for programmatic buying strategy. SSPs determine inventory availability, pricing dynamics, and which publishers you can access. The SSP-DSP ecosystem creates the marketplace where programmatic ads are bought and sold—knowing how this plumbing works helps you make smarter media buying decisions.

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