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Definition

Programmatic Advertising

The automated buying and selling of online advertising space in real-time.

Programmatic Advertising uses software and algorithms to purchase ad inventory, replacing traditional manual negotiations and Request for Proposals (RFPs).

How it works (Real-Time Bidding)

When a user visits a website, an automated auction happens in milliseconds. Advertisers bid for the chance to show an ad to that specific user based on their demographics, interests, and browsing history. The highest bidder wins, and their ad is instantly displayed.

Benefits for Publishers

  • Efficiency: No need for dedicated sales teams to fill every ad slot.
  • Massive Demand: Connects your site to thousands of advertisers globally.
  • Yield Management: Algorithms work to get the highest possible price for every impression.

Key Components

  • SSP (Supply-Side Platform): Software used by publishers to sell their inventory.
  • DSP (Demand-Side Platform): Software used by advertisers to buy inventory.
  • Ad Exchange: The digital marketplace where the actual buying and selling occurs.

Monetise your website without the clutter

Inset helps small publishers and niche sites earn more through premium, non-disruptive promotions. High eCPMs, easy setup, and respect for your audience.

Last updated: January 27, 2026