What is enhanced conversions?
Enhanced conversions is a Google Ads feature that sends hashed first party customer data, such as an email address, alongside a conversion so it can be matched to the click that led to it.
Worked example, not a result
The orders that never get credited
Say a store records 1,240 orders in a month, and 118 of them are never matched back to the click that produced them. The reasons are ordinary: the buyer browsed on a phone and paid on a laptop, a browser blocked the cookie, or too much time passed between the first visit and the purchase.
Those 118 orders happened. The store banked the revenue. But as far as the ad account is concerned they were never caused by anything, so the campaigns that earned them look worse than they were, and the bidding system learns from a picture with pieces missing.
Enhanced conversions closes part of that gap. At checkout, the customer's email address is hashed in the browser, so no readable personal data leaves the page, and sent with the conversion. Where that hash matches a signed in user who saw the ad, the order is credited properly.
The counts here are an example.
Why it matters
Measurement is not a reporting concern; it is a bidding input. Automated bidding decides where to spend using the conversions it can see, so orders that never get matched mean budget is pulled away from campaigns that were actually working.
That makes matching quality part of the visitors lever. Better matching usually shows up as apparently better performance on campaigns nobody changed, and it makes the difference between an account that scales confidently and one that keeps cutting spend on evidence it cannot trust.
It also matters for the arguments a store owner has to settle. When platform reported orders sit well below the orders in the store admin, the natural conclusion is that advertising is not working. Often the advertising is fine and the credit is missing. Closing that gap before making budget decisions saves cutting the wrong thing.
Common mistakes
- Turning it on without checking it is actually firing. The setting can be enabled while the customer data never reaches the tag, and the account looks the same as before.
- Sending the wrong field. The value passed has to be the address the customer used, not a placeholder, a truncated string or an internal id.
- Skipping the privacy work. Customers have to be told what is collected and why, and the feature belongs inside your consent and privacy policy rather than beside it.
- Expecting it to explain every gap. It recovers some of the missing credit, and cross device journeys and long consideration periods still leave orders unattributed.
Related terms and answers
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