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Prebid

Prebid

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Boost Programmatic Advertising Revenue

Prebid drives additional demand from leading ad exchanges straight to your ad server.

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Introduction to Prebid.org

A high-level introduction to the Prebid community and its products.

Trusted

The most popular
unified auction solution

Transparent

Prebid is completely
open source

Configurable

Suits the needs of large
and small publishers

Webinar:

The Future of Measurement is Pre-Bid

May 28th, 2025

Measurement has historically taken place post-bid and after-the-fact. Join us as leading companies discuss how they are bringing measurement and analytics pre-bid; enabling publishers and brands to make decisions before it’s too late – improving brand safety, yield and performance.

Register Now!

Trusted By

Member Directory

88,008

Instances Worldwide as of July 2024*

Prebid Product Suite

A free and open source suite of products designed to enable publishers to implement header bidding on their websites and from within their apps.

Prebid.js

The leading web based header bidding solution used by publishers worldwide.

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Prebid Server

Moving Prebid and Header Bidding to the cloud for efficiency, scale and performance

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Prebid Mobile

Lightweight SDK enabling app publishers to move beyond the waterfall

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Shared ID

The First Step in Building a More User-Centric Internet where publishers control user privacy and their own data.

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Managed Services

Several Prebid.org members will configure and host your Prebid implementations, helping publishers install Prebid.js, Prebid Mobile, and/or Prebid Server.

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Prebid Ecosystem

Global community of developers and ad-ops professionals, across major publishers and ad-tech companies

Project Management Committees

PMC’s are responsible for establishing and prioritizing roadmap items, reviewing open issues and pull requests, discussing policies, creating development plans, and managing GitHub repositories.

Robust Github

Open to members and non-members to participate, our github repo is the backbone of our community where code is stored, developed and discussed

Robust Slack Community

For members only, Slack is comprised of various channels where questions and conversations around products are discussed including everything from current to future state, both technical and commercial.

Virtual and in-person events:

Virtual on-going communication to keep members and non-members informed on product progress and opportunities to share feedback as well as in-person events for members to engage and gain access to on-going thought leadership.

Ad Formats

Prebid works everywhere

Prebid isn’t just for banner ads on the web. Publishers, mobile app developers, and even TV programmers and distributors are using Prebid to boost their programmatic advertising revenue.

Display

Display (banner) ads are supported by Prebid.js and Prebid Mobile. The IAB has created a set of standards for the different types of display ads.

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Native

A native ad is made up of assets such as a title, description, image URL, that are plugged into a publisher-defined HTML template.

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Outstream/Instream

Instream ads are for short-form video content within a player generally has simple video ad requirements, where ‘Outstream’ ads are packaged with a separate player, or the publisher provides a special player for them.

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AMP

The AMP Project speeds up web pages on mobile devices, but also restricts header bidding wrappers like Prebid.js. Instead, AMP supports a method of header bidding called Real Time Configuration(RTC), which is implemented by Prebid Server.

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Mobile

Prebid Mobile is an open-source library that provides an end-to-end header bidding solution for mobile app publishers.

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CTV/OTT

Connected TV and ‘Over-The-Top’ video ads are for long-form video content. They have stronger requirements for ad-podding and category exclusion.

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Become a Member

Join your ad tech industry peers and bring oversight, guidance and development capabilities to solve the industry’s common technical hurdles. Fill out the membership application or learn more about becoming a member, click below.

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All demos, instructions, documentation and code included on the Prebid.org website are released under the Apache License

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