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A proven, exclusive algorithm that picks the maximized source of demand in real-time.

Developed with data scientists and big data analysts over the last 24 months,
SlimCut has created the first ever algorithm for outstream header bidding.


The current, but highly inefficient, way to manage remnant inventory is a waterfall. One tag is called at a time until one returns an ad.


In the header, SlimCut calls every source of demand you want to add. SlimCut exclusive patent pending algorithm analyses over 50 criteria such as historical CPM, fill rate, error rate and latency for each sources. The most likely high CPM wins the bid. The self-learning algorithm improves over time as it collects more data.


  • Double your fill rate
  • Increase average CPMs by 50%
  • Work with as many video suppliers as you want

How to Install

Current Clients

Current SlimCut clients need a quick activation. Contact your account manager to get started

Via Ad Server

Install SlimCut's javascript tag through your ad server, or by hard coding it on the page

Via Header Wrapper

Use your current Header Wrapper and select 'SlimCut' in the script library.

Keep Control with the SlimCut Dashboard

Add new tags at any moment directly in the SlimCut Dashboard

Prioritize one tag versus another at any time

Set CPM floors to give the algorithm more information to base its decisions

Get Started

Start generating more revenue with SlimCut Header Bidding by letting us know about your company, site list and unique visitors, and we will get back to you shortly!