Reliable tracking is essential to ensure publishers are paid accurately for the sales they drive. Awin requires all advertisers to implement standard tracking methods that work across modern browsers and privacy-restricted environments.
Advertisers with sub-optimal tracking may be subject to Conversion Protection Initiative (CPI) adjustments. To learn more, see The Conversion Protection Initiative - FAQ
Standard tracking methods
Awin supports two core tracking methods that advertisers must implement. These technologies ensure accurate and consistent commission attribution across the program.
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Advertiser MasterTag
The Advertiser MasterTag is a lightweight JavaScript tag placed on every page of the advertiser’s website. It enables cookieless tracking, supports dynamic campaign features (like voucher code attribution), and ensures consistent tracking across devices and browsers.
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Server-to-Server (S2S) tracking
S2S tracking allows advertisers to send conversion data directly from their backend systems to Awin’s servers. This method avoids browser-based limitations like ad blockers or JavaScript errors, providing a highly reliable data source.
Advertisers must use both the MasterTag and S2S tracking to meet Awin’s tracking standards.
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App tracking
Advertisers with transacting mobile apps must implement in-app tracking to ensure conversions from app users are attributed correctly.
Additional tracking support
The following tools provide further tracking capabilities in specific environments or help recover missing conversion data:
Fallback Conversion Tag (Image Pixel): This is a backup image pixel tag used when JavaScript fails. It captures limited conversion details, such as order values and references.
Product-level tracking: Allows advertisers to pass itemised basket data, helping to report on individual product performance. Often used for more detailed reporting or campaign optimisation.
More features that enhance tracking
The following features are built on Awin’s standard tracking setup and help improve attribution accuracy:
How to view an advertiser’s active tracking methods
You can check an advertiser's active tracking methods through the Publisher API. The 'Get Program Details' endpoint contains a Tracking Transparency field (trackingTransparency) that shows the tracking methods used on each programme (such as Server-to-Server or Advertiser MasterTag).
This information gives you greater visibility into advertiser tracking, helping you assess program reliability and make more informed optimisation decisions. For technical details, see Get Program Details API.