Systematically diagnose missing, duplicated or misattributed conversions.
Why Aren’t My Conversions Tracking? A Diagnostic Checklist sits inside the broader conversion tracking problem: a marketer needs a reliable way to connect traffic with outcomes without assuming that one dashboard tells the whole story. The useful approach is to define the question first, then choose the smallest measurement setup that can answer it.
Define the conversion before installing anything
A conversion should represent a meaningful business action. Decide what counts, where the event becomes authoritative, and which identifiers can connect it back to the campaign.
Start with the conversion source
Confirm the lead, purchase or other outcome actually exists in the system of record. If the checkout or CRM never recorded it, the tracking layer cannot repair it.
Diagnostic sequence
- Verify the event fires once on the correct action.
- Check whether redirects or cross-domain steps drop campaign identifiers.
- Confirm postback/API parameters match the receiving system.
- Look for browser or consent restrictions.
- Check time zones, attribution windows and reporting delays.
- Test duplicate suppression.
- Compare one known transaction across every system.
Missing vs misattributed
A missing conversion never appears. A misattributed conversion appears but receives the wrong source or campaign. Diagnose these separately; they usually have different causes.
A practical framework
- Define the outcome. Be precise about the event you care about.
- Capture useful context. Keep source, campaign, creative and landing-page information where appropriate.
- Connect the journey. Use identifiers and integrations that fit your consent and technical environment.
- Validate the event. Reconcile against the closest source of truth available.
- Compare reports deliberately. Document attribution windows, models, time zones and known gaps.
- Act on the result. Measurement is valuable when it changes a campaign decision.
Common mistakes
- Assuming the ad platform’s number is automatically the ground truth.
- Changing tracking and campaign setup at the same time, making diagnosis harder.
- Using inconsistent UTM or SubID naming.
- Ignoring cross-domain steps, redirects or checkout systems.
- Treating privacy restrictions as a problem one script can permanently “solve.”
- Collecting more events than the team can actually interpret.
Where independent tracking fits
An independent tracker can give marketers another measurement layer outside the ad network. It does not eliminate implementation work or uncertainty, but it can make cross-channel campaign comparison easier when the same definitions are used consistently.
Related next step
Once the fundamentals are reliable, compare your measurement workflow with a purpose-built tracker rather than adding more tags at random. The goal is a smaller, understandable system that produces decisions you trust.
Last reviewed: August 30, 2026.