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How-to

Configure affinity

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Checked against the product’s code on 7 November 2026.

Open Optimization > Personalization > Engine to review affinity configuration. Affinity is a decaying score of recorded actions, not a model that invents a person’s interests.

Check Affinity on or Affinity off and its stated reason. Affinity is on only when the engine has saved settings, at least one thing on the site is personalized for a behavioral audience, and the site’s personalization service is connected. When it is off, the reason beside Affinity off names the first of these that is missing. An editor screen alone does not prove a visitor is receiving affinity based content.

Review what each supported action contributes, how long scores are remembered and the interest categories in use. A shorter memory makes older actions matter less sooner. Merely listing an event’s intended weight in the event catalog does not change these active weights.

  1. Review A visitor joins an audience at.
  2. Review and leaves when it falls below.
  3. Review the safety limits.
  4. Review any setting that replaces the default for one audience.

The first two fields set when a visitor enters and leaves an affinity audience, each as a number between 0 and 1. A saved revision lists them as Join point and Leave point. Separate points avoid repeatedly changing membership near one boundary. When an audience applies explains the difference between page delivery and recorded membership.

Use Add an interest for a supported new interest category. The content catalog and the settings currently in effect can also supply interest categories; an empty manual list does not prove the engine has no interests available.

  1. Change the intended values.
  2. Choose Save.
  3. Read Review this change.
  4. Choose Approve & save if the change matches your intent.
  5. Read the resulting revision and its receipt.

Use Change history to inspect earlier revisions, the recorded reason and an offered action to restore an earlier version.

Restoring an earlier version is a new change to the settings, with its own approval. A restore to a blank action weight can currently be refused when the active weight is zero. A restore does not rewind everything visitors did in the meantime. Check the affinity explanation and content catalog together before relying on the experience.