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Data exclusion

A date range you tell Smart Bidding to ignore, for example when conversion tracking was broken, so it does not learn from a false drop or spike.

By the Optizads team

On this page
  1. Why it matters
  2. Where to find it in Google Ads
  3. An example
  4. Common mistakes
  5. Checks that look at it
  6. Related terms

Why it matters

When a tag breaks for three days, Smart Bidding sees clicks with no conversions and learns that the traffic got worse. It then bids down, even after the tag is fixed.

A data exclusion marks those days so the bidding ignores them. Without one, a tracking outage costs money twice: once while broken, again while the bidding recovers.

Where to find it in Google Ads

  1. Open Tools, then Adjustments, then the Exclusions tab.
  2. Create an exclusion with the exact start and end of the outage.
  3. Choose the campaigns or campaign types it applies to.
  4. Keep a note of the cause next to it.

An example

A site update removes the purchase tag on Friday and it is restored on Monday. A data exclusion for Friday to Monday stops Smart Bidding from treating those three days as a collapse in conversion rate.

Common mistakes

  • Using data exclusions for days that simply performed badly.
  • Forgetting them after a tracking outage, so bidding drops for weeks.
  • Expecting them to change past numbers in reports.

Checks that look at it

The audit checks Oppy runs on this, each with its own page.

  • Smart Bidding: Google's automated bid strategies that set a bid for each auction toward conversions or conversion value.
  • Seasonality adjustment: A note to Smart Bidding that conversion rates will jump for a short, known period, such as a flash sale of a few days.
  • Conversion: An action you count as a result of an ad: a purchase, a lead form, a call, a sign-up or a store visit.

Questions, answered.

Anything else? Ask Oppy in the product, or write to the team.

Does a data exclusion change my reports?

No. Reports still show the days as recorded. The exclusion only tells Smart Bidding to ignore them.

When should I not use a data exclusion?

When the drop was real, such as a holiday or a slow week. Exclusions are for broken measurement, not for bad results.

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