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Data & measurement · 10 min

Measure digital performance with indicators that drive action

A useful dashboard does not recount everything that happened. It shows whether an objective is progressing, where attention is needed and who can make the next decision. Measurement therefore begins with responsibility, not a tool.

Key points

What to remember.

  • Start with decisions and questions, then choose metrics.
  • Document definitions, sources, segments and limits.
  • Review a small set of indicators in a regular action ritual.
01

Translate objectives into questions

Replace vague goals such as improve visibility with operational questions: are priority pages appearing for relevant searches, and are those visits reaching a useful next step? Each question should have a possible decision attached.

02

Separate outcome and diagnostic metrics

Outcome indicators show whether value is changing. Diagnostic metrics help explain why. Keep both levels visible so the team does not optimise a technical proxy while the real result remains flat.

03

Write a metric contract

For every indicator, record the formula, source, inclusion rules, time zone, segments, owner and known gaps. Shared definitions prevent teams from comparing figures that only look identical.

04

Test data quality

Check consent effects, missing events, duplicate identifiers, bot traffic and changes in instrumentation. Annotate releases and campaigns. Precision in presentation cannot compensate for an unstable collection method.

05

Design for decisions

Show the target or expected direction, comparison period and relevant segments. Remove charts that do not support a question. Use short explanations when a change may be caused by seasonality or a measurement break.

06

Create an action review

Meet on a useful cadence, identify material changes and assign the next investigation or improvement. Record the decision and revisit it. A dashboard without an owner or review ritual quickly becomes decoration.

Sources

Check the reference material.

GOV.UK Service Manual · Measuring success

Put the method into practice

An illustrative application case

Two reports show different enquiry counts. Compare events, exclusions, period and denominator before choosing a figure. A started submission and a received enquiry are different steps. Keep definitions alongside the dashboard so future comparisons remain interpretable.

Set up proportionate audience measurement

Use this worksheet in a review with the person responsible for delivery. Keep the evidence alongside the decision, rather than marking a task complete on trust alone.

Actions and evidence to retain
ActionEvidence
Write the decision each indicator should inform.A definition specifying unit, period, scope and owner.
Test tracking on a known journey, including a failed submission.A comparison between actual actions and recorded events.
Check denominators and collection changes before drawing conclusions.A note explaining small samples, exclusions and breaks in the time series.

Download the worksheet to fill in (CSV)

A question to resolve before acting

Why is my rate increasing while enquiries fall?

The denominator may fall faster than the numerator. Inspect absolute volumes, traffic sources, enquiry quality and measurement changes. A percentage change alone is insufficient for a decision.

Complementary resources

Resources for this project

Affiliate marketing guide

World Affiliate Guide

For an affiliate objective, review conversion, commission and attribution alongside validation periods and cancellations. Gross revenue alone does not describe the outcome.

Tourism technology guide

Performance Voyage

For a tourism service, explore distribution and booking tools to establish where data is produced and which events can be reconciled.

Website in French

Sites from the AR ecosystem, selected for their relevance to this topic. Check scope, terms and current offers with each publisher. Our selection method.

Continue

Turn the method into a clear project.

Use the directory to explore relevant resources, or describe your context so the right questions can be identified before a conversation begins.