Automate attribution before the Black Friday window
During peak, a report that takes a person two hours to assemble does not get assembled. What to automate beforehand, and what to accept you will read late.
By Joris van Huët, Founder & CEOUpdated 3 min read
Everything you want running during peak has to be running before peak, because the week the reporting matters most is the week nobody has two hours to assemble it by hand. The useful question in the run-up is not what to build, it is what to cut.
Peak compresses decisions that normally take a fortnight into an afternoon. That changes what a report is for. Outside the window a report informs planning. Inside it, a report either changes today's spend or it is a historical document.
Before, during, after
| Phase | What a report can still change | What to have ready |
|---|---|---|
| Four weeks before | Budget split, creative, the test you run | A read on a normal window, as the baseline |
| The window itself | Today's allocation, nothing structural | A scheduled read with a fixed definition |
| The two weeks after | Next year, and what you cut in January | The post-window read, before retention rolls |
The third row has a deadline attached that surprises people. Google Analytics retention settings can be short enough that the granular data behind your peak read expires while you are still recovering from peak, which we covered in the two-month retention trap.
What is worth automating before the window
Freeze the channel grouping and the lookback definition now, not in November. Changing either mid-window makes the before and after incomparable, and the comparison is the entire point of measuring peak.
Get one baseline read on an ordinary trading month, so you have something to hold the peak read against. Without a baseline, a strong peak number tells you almost nothing, because peak is strong for reasons that have little to do with your channel mix.
Then schedule the read. The €99 one-time read is the right instrument for the baseline itself, and it comes with a full refund within 30 days, no questions asked.
What is too late once the window opens
A geo holdout test is too late. Holdouts need a pre-period and weeks of running, and starting one in the window measures the window rather than the channel. We put a date on this in the last day to start a holdout before Black Friday.
Changing your attribution method mid-window is also too late, for the plainer reason that you will not be able to tell whether a movement in the numbers came from the market or from the switch.
The one thing worth doing late
If you have done nothing, do the post-window read.
The honest framing
None of this is urgent because a vendor says so. It is urgent because retention windows expire, holdouts need lead time, and definitions frozen mid-window produce numbers nobody can compare. Those are calendar facts, and they are the only reason peak deserves a deadline in your reporting plan.
Related answers
Frequently asked questions
Is it too late to set up attribution reporting before Black Friday?
Scheduled reporting and a baseline read on a normal month are both still achievable close to the window. A geo holdout test is not, because it needs a pre-period and several weeks of running to produce anything interpretable.Why does GA4 data retention matter for peak season reporting?
Retention settings govern how long granular event data stays queryable. If the setting is short, the detail behind your peak trading period can expire while you are still recovering from it, taking your ability to run a proper post-window read with it.What is the single most valuable attribution report of the year?
The read taken on the two weeks after peak.
Go deeper: Causal attribution, explained.
Sixty-second versions of these ideas: Causality Engine on YouTube Shorts.
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Terms in this article
- AnalyticsAnalytics is the systematic computational analysis of data. It reveals customer behavior and measures campaign performance.
- AttributionAttribution identifies user actions that contribute to a desired outcome and assigns value to each. It reveals which marketing touchpoints drive conversions.
- Attribution ReportAttribution Report shows which touchpoints or channels receive credit for a conversion. It identifies which campaigns drive desired actions.
- Black FridayBlack Friday is the day after Thanksgiving in the United States. It marks the start of the Christmas shopping season and is a major sales event for retailers.
- DashboardA dashboard is a visual display of key information required to achieve specific objectives. It consolidates data onto a single screen for quick review.
- DashboardsDashboards are graphical user interfaces that provide at-a-glance views of key performance indicators (KPIs). They monitor campaign performance and visualize attribution insights.
- Google AnalyticsGoogle Analytics is a web analytics service that tracks and reports website traffic.
- Holdout TestA holdout test is an experiment that keeps a random part of an audience from seeing a campaign and compares its results with those of the part that could see it. The held-out part is the control group, so the gap in outcomes estimates what the campaign added.