Programmatic

Demand-Side Platform (DSP) — Definition & Explanation

Technology platform used by advertisers and agencies to purchase ad inventory programmatically across multiple ad exchanges and SSPs. DSPs use data and algorithms to evaluate each impression and determine optimal bid prices in real time.

How Demand-Side Platform (DSP) Works

DSPs receive bid requests from SSPs, evaluate them against campaign targeting criteria and budget algorithms, and submit bids when impressions match their objectives. The DSP manages budgets, frequency, and attribution across all connected supply sources.

Why Demand-Side Platform (DSP) Matters for Publishers

Publishers who understand DSP behavior can optimize their inventory signals to attract higher DSP bids. Stellor Media's relationships with 50+ demand partners include major DSPs and trading desks.

Frequently Asked Questions

What are the major DSPs in the market?

Major DSPs include The Trade Desk, DV360 (Google), Amazon DSP, Xandr Invest, Criteo, and dozens of specialized platforms.

How does a DSP decide how much to bid?

DSPs evaluate impression value based on audience match, contextual relevance, historical performance, and campaign goals, then apply bid pricing algorithms within budget constraints.

Can publishers reach DSP demand through Stellor?

Yes. Stellor Media connects directly with major DSPs and trading desks, making their demand available to all publisher partners.

Related Terms

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