Compare the right systems for the right question
Cross-platform attribution gets cleaner when each reporting source has a defined job, a realistic confidence level, and a clear escalation rule before anyone compares totals.
Define the role of each system
Start by deciding which system answers the question in front of you. That stops teams from treating every dashboard as a universal source of truth.
Compare like with like first
A click is not a session, a partner-confirmed conversion is not automatically a GA4 conversion, and a code redemption is not the same thing as a tracked route event.
Attach confidence before you escalate
Some sources are excellent for directional insight, some for partner confirmation, and some for commercial reconciliation. Good interpretation matches the decision to the signal.
Check the upstream inputs before blaming reporting
If the gap looks too large, check the input and route layers first. A noisy comparison often starts upstream.
Start with the disagreement pattern you actually have
Choose the mismatch that best matches the real failure pattern, then move into the child page built to explain it.
GA4 and partner numbers do not tell the same story
Use the partner-comparison page when analytics reporting and partner-confirmed conversion totals are not lining up cleanly enough to trust the story.
Go to the partner mismatch guideThe journey may be splitting across domains
Use the cross-domain page when checkout, booking, or cart handoffs may be creating referral noise or attribution breaks.
Go to cross-domain attributionGA4 is grouping traffic in a way you do not trust
Use the GA4 pages when the question is about Direct or Unassigned, channel grouping, manual campaign fields, or where tagged data appears.
Go to the GA4 diagnosis pagesGo deeper in cross-platform attribution
Why GA4 and affiliate data disagree
Use this page when analytics traffic and partner-confirmed conversions do not line up cleanly enough to report with confidence.
Open the comparison guideGA4 cross-domain attribution
Use this page when the path crosses domains and the attribution story may be changing during the handoff.
Open the cross-domain guideGA4 Direct / Unassigned
Use this page when traffic is landing in Direct or Unassigned and the comparison problem starts with weak source visibility.
Open the diagnosis guideGA4 custom channel groups
Use this page when the numbers are mostly right but the grouping logic is hiding the story you actually need to read.
Open the channel guideGA4 manual campaign reporting
Use this page when the question is specifically about manually tagged campaign fields and where they should appear in GA4.
Open manual campaign reportingUTMs and attribution explained
Use this page when the real confusion is the difference between tagged input data and later attribution or reporting logic.
Open the boundary guide