Tracking monitoring that watches GA4, your container and each ad destination, then repairs what breaks.
A monthly plan that keeps your measurement working as the site changes: monitoring against a known baseline, verification after each release, and a monthly note on what moved. Findings get fixed, not just reported.
What this covers
This is a monthly plan over a named set of events, destinations and containers. What it has to cover is decided by what changes around them, because tracking rarely breaks on its own. Four classes of change put a check on the calendar.
A release. Every deploy is treated as a candidate. A renamed class, a button moved inside a new component, a change to the shape of the object the container reads: the tag keeps firing through all of it, which is why the conversion path gets walked again after the release rather than assumed intact.
A new surface. A landing page built in a separate page builder, a microsite on its own subdomain, a booking or payment step handed to a new vendor. These arrive as marketing decisions rather than tracking decisions, so each one is either added to the covered inventory and instrumented, or logged as a known gap with a size attached to it.
A platform or vendor change. An API version retired, a tag template that changes what it sends by default, a CMP script that updates itself, a measurement requirement that adds a field. Announcements get read against your own configuration rather than in general, and the ones that apply to you become scheduled work with a date on it instead of a slow drift in a number nobody was watching.
A change in who has access. Publish rights granted for one campaign and never removed. A vendor onboarding guide that has somebody paste a snippet. An account deprovisioned when a person leaves, taking a credential or a connection with it. Every container publish is read against the baseline regardless of who made it or how small it looked.
None of this prevents a break. Monitoring detects. A release that renames a key will still rename it, and no plan stands between your developers and the change that damages the measurement. What it changes is how long the break runs before anyone knows, and whether the repair happens while the cause is still legible in a deploy log and a version history. Nothing else raises the alarm, because a broken tag does not produce an error that reaches a human, reports keep rendering, and zero is a valid number.
How it runs
A baseline comes first. Monitoring is a comparison, so there has to be something to compare against. The first piece of work records the events that matter to you, the parameters each one has to carry, the destination each one has to reach, and what a normal day looks like for each. That record is the reference for everything after it, and it is yours.
Checks against the baseline. GA4, the container and each ad platform destination are watched for the failures that do not announce themselves. An event that stops arriving in GA4. A parameter that starts arriving empty. A revenue value that turns into a formatted string. A Google Ads or Meta endpoint that begins rejecting payloads. A deduplication key that stops matching its pair. The purpose is to catch a break close to when it happens rather than at the end of a quarter, when the only remaining remedy is a footnote in a report.
Verification after each release. When something ships, the conversion path is run again on the live site instead of being assumed intact: the purchase or lead journey, on desktop and on mobile, across the consent states your banner can produce. Consent is checked here as measurement behavior. Container publishes get the same treatment, read against the baseline rather than trusted because they looked small.
A monthly note. One page. What changed on the site, what changed in the container, what broke, what was fixed, what is still open, and what is worth doing next. Written to be forwarded to whoever owns the budget.
What you get
Findings are fixed, not filed. This is the line between monitoring and alerting. A break in the tag, trigger, consent or platform layer is repaired in a separate workspace, validated, and published with your approval. Where the cause sits in your own codebase, the change is written up with the event, the payload and the condition that reproduces it, precisely enough for your developer to act without a discovery call first.
A measurement record that stays current. The event contract, the container inventory and the destination map are documents you hold, and they are updated as the site changes, so what is written down describes the site you have rather than the site you had when someone last looked at it.
A history of what broke. Each monthly note joins the ones before it. A pattern, such as the same release process taking out the same event twice a year, becomes visible as a pattern instead of being rediscovered from scratch each time.
Someone to ask before you ship. A replatform, a new checkout, a subscription app, a consent platform swap. The cheap version of each of those is a short conversation before it goes live. The expensive version is a reconstruction afterwards, plus a quarter of data nobody trusts.
When this is the wrong fit
Nothing has been verified yet. Monitoring an unverified setup tells you it is stable. Stable and wrong is a common state and the expensive one, because consistency reads as accuracy. The measurement has to be established as correct before watching it is worth paying for.
The site almost never changes. A brochure site on a theme nobody edits, one ad account, no release cycle. That change rate does not justify a monthly plan, and the honest recommendation is a periodic check instead.
You want campaign management. This covers what the campaigns learn from. It does not run them, and it does not touch bids, budgets or creative.
You want a monitoring product. This is one person watching a measurement stack and repairing what breaks in it, not a self-serve tool with a status page. If you need an alerting platform your own team operates and tunes, buy one.
A plan to keep tracking correct needs a point at which it was known to be correct, which is what the Missing Conversions Audit establishes. What the plan covers and what it costs each month are agreed on the call once the report is in front of you, and the $900 fee is credited in full toward the work that follows.
Questions
Can you monitor tracking you did not build?
Yes. What is required is a baseline: a documented set of events, the parameters each one carries, the destinations each one reaches, and a state that was checked and found correct. Where no such record exists, producing it is the first piece of work and it happens before any watching starts. Monitoring an undocumented setup only tells you that something changed. It cannot tell you which of the two states was the right one, which is the part you actually need.
We already have GA4 alerts and the conversion diagnostics in Google Ads. How is this different?
In what they can see. Platform alerts fire on a threshold in a metric the platform has already computed, so they catch a volume drop once it has run long enough to cross the line. Some payload faults do surface: GA4 raises a few data quality messages, and Google Ads diagnostics will tell you a conversion action is arriving without a value. Neither reads the request you sent. A deduplication key that stopped matching, a parameter that quietly went empty, a second sender inflating a count that now looks healthy: those are visible at the destination or not at all. Keep the alerts. They are a useful floor and not a substitute for checking what arrived.
What happens when something breaks?
It gets repaired, which is the part monitoring on its own does not do. Where the cause is in the tag, trigger, consent or platform layer, the fix is built in a separate workspace, validated, and published with your approval. Where the cause is in your site code, it is written up with the event, the payload and the condition that reproduces it, so your developer can act without a round of discovery. Either way the monthly note records what broke, what it cost in data, and what was done about it.
Next step
Find out what this is costing you.
The Missing Conversions Audit is a fixed-price teardown of your GA4, Google Tag Manager, ad pixels and consent setup. Every gap logged, the top 10 fixed and validated. $900 flat. 5 business days.
A 15 minute call
- We look at your setup from the outside and say what we can already see.
- You get a straight answer on whether the audit is worth it for your account.
- If it fits, we book the slot and send the access checklist.
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Prefer email? hello@missingconversions.com