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How to review a creative test by creative ID

A creative test is only readable if every copy of the same asset can be added up. A creative ID makes that possible.

Why ad IDs are not enough

Duplicating an ad or moving it to another ad set creates a new ad ID. If the same asset lives in five ads, no single ad shows its real performance.

Set up the test

  • Give each asset a creative ID before it goes live.
  • Put that ID in the ad name and in utm_content.
  • Write down the hypothesis and the one thing that differs between versions.
  • Decide in advance which number decides the test, and for how long.

Read the results

Group by creative ID first, then compare.

  • Hook rate shows whether the opening earns attention.
  • Click-through rate and conversion show whether the offer follows through.
  • Frequency rising together with results falling points to fatigue.

Decide and record

End each review with one of three outcomes: scale, iterate or stop, and say why. Keep the record next to the creative so the next test starts from it.

7 min read. Last updated 2026-10-07. Examples use made-up numbers.

This guide in numbers

7minutes to read
4terms explained
4sections
14related guides

Use it as a checklist

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Terms in this guide

Creative IDCreative fatigueHook rateAd frequency

Where this shows up in the product

Creative analytics

Results by creative ID, version, format, hook, offer and persona, joined to spend.

Read more

Ad research

Watchlists of competitor ads from official ad libraries, grouped by message, hook, offer and format.

Read more

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