prebid

    prebid/Prebid.js

    Setup and manage header bidding advertising partners without writing code or confusing line items. Prebid.js is open source and free.

    web
    bidder-adapter
    header-bidding
    prebid
    JavaScript
    Apache-2.0
    1.6K stars
    2.4K forks
    1.6K GitHub watchers
    Updated Oct 27, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    5 releases in the last 90 days, the latest 3 days ago, with 429 contributors on GitHub.

    Gained 42% fewer stars in the last 90 days than in the 90 days before.

    Use Cases & Benefits

    • Provides a free, open source JavaScript library to implement and manage header bidding for advertising without coding or complex line items.
    • Enables easy integration of multiple advertising bidders via modular adapters, optimizing ad revenue with minimal setup and customizable builds.
    • Use for publishers seeking to implement header bidding to increase ad competition and revenue without deep technical expertise.
    • Use for developers building custom ad tech stacks who need a flexible, modular solution supporting many bidder adapters.
    • Use for ad operations teams wanting to optimize page load performance by selectively including only needed bidding modules in builds.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    Apache 2.0

    Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.

    Community files

    • README: present
    • Contributing guide: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    A free and open source library for publishers to quickly implement header bidding.

    This README is for developers who want to contribute to Prebid.js. Additional documentation can be found at the Prebid.js documentation homepage. Working examples can be found in the developer docs.

    Prebid.js is open source software that is offered for free as a convenience. While it is designed to help companies address legal requirements associated with header bidding, we cannot and do not warrant that your use of Prebid.js will satisfy legal requirements. You are solely responsible for ensuring that your use of Prebid.js complies with all applicable laws. We strongly encourage you to obtain legal advice when using Prebid.js to ensure your implementation complies with all laws where you operate.

    Note: versions prior to v10 required some Babel plugins to be configured when used as an NPM dependency - refer to v9 README. See also customize build options

    Excerpt from the prebid/Prebid.js README on GitHub (Apache-2.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    2.4K+30

    Open issues

    122-24

    Compared with peers in Web

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

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    Category median48.4K+6.2K44—

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