The playbook
Landing Page Design: Metrics and Measurement
Measure landing page design by defining completed qualified landing-page actions precisely enough that two people can reproduce the result from the same records. Keep the reporting unit, date basis, and scope visible. Without those definitions, a change in the report may reflect a changed calculation rather than a changed customer outcome.
Put the task in context
A campaign advertising a roof inspection should land on a page explaining that inspection, its coverage, and the request process. Match the form's requested details to the inspection. Do not silently turn the advertised appointment into an unrelated newsletter signup.
Create a metric definition
| Definition field | What it must explain |
|---|---|
| Measure | completed qualified landing-page actions |
| Unit | What one page or interaction record or completed outcome represents |
| Included records | The scope identified by campaign and promise |
| Date basis | The event date or period used to include a record |
| Exclusions | Tests, duplicates, or other records outside the agreed definition |
| Source owner | site owner |
Separate delivery checks from outcome measures
A delivery check asks whether the team completed a specific task, such as match the headline offer and audience to the entry message. An outcome measure asks what happened for the user or business afterward. Keep both visible. Completing the task is useful evidence of execution, but it does not by itself prove that the broader outcome improved.
Worked arithmetic example
Suppose an illustrative review includes 80 eligible records, and 60 satisfy the explicitly defined completion condition. The completion share is 60 ÷ 80 × 100 = 75%. This is hypothetical arithmetic, not an industry benchmark or a predicted improvement. It describes only the population and condition you defined.
For landing page design, explain the condition before applying that calculation. If the question is whether the team can use a clear action with a functioning completion path, a record counts only when the evidence demonstrates that condition. Do not replace missing outcomes with successful ones just to complete a report.
Compare like with like
Keep the scope, date basis, and exclusions consistent between observations. If promise changes meaning between periods, note the change and rebuild a comparable view where possible. A rate can also move because the composition of the underlying group changed, even when individual performance did not.
Investigate an unexpected result
- Check whether the underlying campaign records are complete.
- Look for this known failure: advertising one offer and showing a different one on the page.
- Verify that the process still includes: place relevant proof near the decision point.
- Reconcile a sample with the original record before changing the operating plan.
Use the report to choose an action
If the evidence supports a correction, align campaign copy page content and confirmation message. Record when the change occurred and what should be checked next. Keep uncertainty visible when the sample is small or the observation period is incomplete. The purpose of measurement is a better decision about completed qualified landing-page actions, not a favorable-looking number.
Treat visual changes and functional changes separately in the change log. A clearer label may improve comprehension, but a broken submission destination still prevents completion. Confirm both understanding and successful delivery.
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