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March 9, 20267 min readBy Ads Anomaly Guard Team

Why Your Google Ads Conversion Tracking Is Probably Broken (And How to Fix It)

Broken conversion tracking is the #1 silent budget killer in Google Ads. Learn how to detect it, fix it, and prevent it from happening again.

conversion trackinggoogle adsbroken trackingtroubleshooting

The $3,000 Problem Nobody Talks About

Here's a scenario that happens every single day: A developer pushes a website update on Friday afternoon. The Google Ads conversion tag breaks silently. The campaign keeps spending all weekend, optimizing toward zero conversion data. By Monday morning, $3,000 is gone with nothing to show for it.

The worst part? Google Ads won't tell you. Your campaigns will keep running, happily burning through your budget while Smart Bidding optimizes against bad data.

5 Signs Your Conversion Tracking Is Broken

1. Sudden Drop to Zero Conversions

If your campaigns normally record 5-10 conversions per day and suddenly show zero for 24+ hours, something is wrong.

2. Conversion Tag Shows "Unverified"

In Google Ads, go to Tools > Conversions. If your tag status shows "Unverified" or "No recent conversions," your tracking isn't firing.

3. Conversions Don't Match Your CRM

If Google says you got 20 leads but your CRM shows 5, there's a tracking discrepancy — either double-counting or missing events.

4. CPA Suddenly Spikes

When Smart Bidding loses conversion data, it starts bidding erratically. A sudden CPA spike of 200%+ often points to a tracking issue, not a market change.

5. Website Changes Were Deployed Recently

Any code deployment, CMS update, or theme change can remove or break conversion tags. Always verify tracking after deployments.

How to Fix It

Step 1: Check Tag Status

Go to Google Ads > Tools > Conversions. Click on each conversion action and verify the tag status is "Recording conversions."

Step 2: Use Google Tag Assistant

Install the Google Tag Assistant browser extension. Visit your conversion page and check if the tag fires correctly.

Step 3: Test a Real Conversion

Complete your own conversion flow (sign up, purchase, etc.) and check if it appears in Google Ads within 24 hours.

Step 4: Check for Code Conflicts

Common culprits: cookie consent banners blocking scripts, ad blockers, single-page apps not firing on route changes, GTM container changes.

How to Prevent It From Breaking Again

Manual checks don't scale. You need automated monitoring that alerts you the moment conversions drop to zero.

Ads Anomaly Guard checks your conversion data every 15 minutes. When it detects zero conversions with active spend, it sends an alert immediately — and can auto-pause the campaign to stop the bleeding.

Start your free trial — catch broken tracking before it costs you thousands.

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Why Your Google Ads Conversion Tracking Is Probably Broken (And How to Fix It) — Ads Anomaly Guard Blog