Trustworthy
- One primary conversion sales would take
- Fires once per real lead
- Calls + forms attributed cleanly
Measurement
Is Your Conversion Tracking Lying to You?
Wrong conversions = Google buys the wrong clicks. Clean the signal before you blame the bid strategy.
- One primarySales would recognize it as a real lead.
- Fire onceNot on every thank-you refresh.
- Filter junkSpam and “any click” stay out of Smart Bidding.
The picture above is the whole job: mark the actions that predict revenue as Primary, and keep everything else out of the bidding loop. If spam forms or “any click” sit in Primary, Smart Bidding will happily buy more of them — cheaper CPLs, worse close rates. Google’s own docs on conversion tracking are the setup baseline; this guide is the operator filter on top.
Trustworthy vs lying
Smart Bidding learns from whatever you call a conversion — so label carefully.
Lying to you
- Spam forms counted as wins
- Thank-you page fires on refresh
- “Any click” treated as a conversion
10-minute QA
After any tag change: submit one real test lead, confirm Ads shows it once, verify Primary status, then compare form/CRM counts to Ads over seven days.
- 01SubmitReal test lead
- 02AdsAppears once
- 03PrimaryMarked Primary
- 04CompareForms vs Ads 7d
One primary conversion
Pick the action that most closely predicts revenue. Secondary clicks can report. They should not run the account.
If sales wouldn’t call it a lead, Google shouldn’t bid on it. That single filter kills most “tracking looks fine but leads are junk” accounts.
Why Smart Bidding goes rogue
Smart Bidding optimizes for whatever you label Primary. Spam forms, “any click,” and thank-you refreshes teach Google that cheap junk is success — so it buys more of it. The account “improves” on paper while intake complains.
- Spam and tire-kickers counted as wins → bids chase volume, not buyers
- Double fires / refresh fires → inflated conversions, underpriced reality
- Calls missing while forms over-counted → half the funnel invisible
The stack that usually wins
- Google Tag Manager (version history + QA)
- GA4 key events aligned to the same names Ads uses
- Enhanced conversions on primary lead events
- Call tracking into Google Ads when phones close deals
Operator checklist after every tag change
Submit one real test lead. Confirm Ads shows it once. Verify Primary status. Compare form/CRM counts to Ads over seven days. If those don’t line up, you’re still training the machine on fiction.
When in doubt, follow Google’s own conversion tracking setup guidance and verify in Tag Assistant before you trust Smart Bidding again.
Official reference
For platform setup details, use Google’s guide to About conversion tracking. Pair it with a page that matches the ad — see landing page anatomy for Google Ads and the Ads Eye Challenge.
Want the signal cleaned up?
Email the account and monthly Search spend — or take the Ads Eye challenge to train your eye on ad-to-page leaks.