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What is the default `data-cookie_duration` for the tracking pixel?

What happens when `data-cookie_duration` is omitted from the Affonso tracking script, and how long the referral cookie lasts by default.

Written by Silvestro

Updated more than a week ago

If you do not set data-cookie_duration on the Affonso tracking script, the default is 30 days.

That same default is used if the attribute is present but not a valid integer.

Example

This script uses the default automatically:

<script
  async
  src="https://cdn.affonso.io/js/pixel.min.js"
  data-affonso="YOUR_PROGRAM_ID"
></script>

data-cookie_duration controls how long the affonso_referral cookie and the affonso_data cookie stay on the visitor's browser.

If you want a different attribution window, add the attribute explicitly:

<script
  async
  src="https://cdn.affonso.io/js/pixel.min.js"
  data-affonso="YOUR_PROGRAM_ID"
  data-cookie_duration="60"
></script>

The value is interpreted in days.

If you are debugging the full tracking flow, see the tracking debug checklist.

If you still need help, our support team is here for you.

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