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How do you set new customer acquisition goals in Google Ads?

By CartKernel ยท Last reviewed

In short

You turn the goal on in the campaign, tell Google how to recognise an existing customer, and give it the extra value you are willing to pay for a first order rather than a repeat one. Bidding then adds that amount to the conversion value whenever it believes the shopper is new, so the campaign leans towards acquisition instead of harvesting people who already buy from you. The two decisions that matter are the customer data you supply and the extra value you set, and the second should come from lifetime value rather than from a guess.

The goal changes what bidding optimises for, not who sees the ad

In its usual mode, the setting does not restrict who your ads reach. It adds a specified amount of value on top of the conversion value when the buyer looks like a first-time customer, so the bidding treats an order from a new person as worth more than an identical order from a returning one.

That matters because value based bidding, left alone, will find the cheapest revenue available. Cheapest revenue is usually existing customers, who convert readily and cost little to reach. An account can post excellent efficiency for months while the customer base shrinks, and this setting is the correction for that.

There is also a stricter mode that limits bidding to people Google believes are new, which suppresses the returning traffic instead of simply valuing it lower. That is a bigger intervention and it belongs to a store that has a genuine plan for retaining customers through other channels.

Start with the valuing mode. It changes the direction of the account without cutting off revenue, and it gives you data on what a new customer actually costs before you decide whether to go further.

Google needs your data to know who is already a customer

The recognition comes from two sources, and the more you supply the better it works. The first is your own customer list, uploaded and matched against Google accounts, which tells the system directly who has bought before. The list needs to be a reasonable size and kept current, since a list uploaded once and never refreshed drifts within a season.

The second is your conversion tracking. Where your tag can signal whether a purchase came from a new or returning customer, that signal feeds the same decision. On Shopify, the order carries the information already, and the work is passing it through the tag in a form the campaign can use.

Uploading customer data brings obligations. You need a lawful basis, a privacy policy that covers it, and you have to accept Google's terms for customer data. Hashing happens before upload, and the fields you provide determine how many records match, so email plus name and address usually matches better than email alone.

Get this part right first. A campaign told to acquire new customers, with no way of knowing who is old, will simply spend the extra value on everyone.

Derive the extra value from lifetime value, not from instinct

The number you enter should represent how much more a first order is worth to you than the revenue on that order, and the honest source for it is your own repeat purchase behaviour.

Work it from cohorts. Take customers who first bought a year ago, look at what they have spent since the first order, and take the contribution margin on that later spend. That figure is the additional value a first order carries, discounted for the ones who never came back, because the cohort average already includes them.

Then decide how much of it to hand to the bidding. Using the full amount means you are willing to break even over the whole relationship, which requires the cash to fund the gap. Using half of it keeps a margin of safety and is a sensible starting point for a store that has not run this before.

Recalculate it at least twice a year. Repeat rates move with product range, service quality and email programme, and an extra value set from an old cohort will either underfund acquisition or overpay for it.

Check that it changed anything

Watch new customer counts, not conversion counts. The measure of success is more first orders at an acceptable cost, and the campaign level return will usually get slightly worse when the goal is working, because you deliberately started paying more for the harder orders.

Hold two numbers side by side: new customers per month and cost per new customer. Both should move in the direction you intended within a few weeks of the change settling. If new customer numbers are flat and the cost is higher, the recognition signal is probably not working, and the customer list is the first place to look.

Cross-check against your own order data rather than relying on the platform's classification alone. Your store knows for certain whether an email address had ordered before, and comparing that against what the campaign reports tells you how well the matching is working.

Then look at what happens after the first order. Acquisition at a higher cost only pays if the second order arrives, so the retention flows in email and SMS are part of this decision rather than a separate project.

Deriving the extra value from a cohort

First order value, average
$74
Contribution margin
38 percent
Contribution on first order
$28.12
Repeat spend per customer over 12 months
$96
Contribution on repeat spend
$36.48
Full additional value of a new customer
$36.48
Entered as extra value, at half
$18.00

Illustrative cohort figures. The final row is a judgement about risk rather than a calculation, and a store with tight cash flow would set it lower still.

Related questions

Do I need a customer list to use the new customer goal?

You need some way for Google to tell new from returning. A matched customer list is the strongest source, and a conversion signal that identifies first-time buyers can work alongside it. With neither, the setting has nothing to act on and the extra value is applied indiscriminately.

Should I use the mode that only bids on new customers?

Only once you have run the valuing mode long enough to know your cost per new customer, and only if returning customers are reliably reached through other channels. The stricter mode removes revenue from the campaign, which is a real cost that needs a plan behind it.

Will the campaign's return get worse when I turn this on?

Often, and that can be the intended outcome. You are asking the campaign to buy harder orders that it previously skipped. Judge the change on new customers acquired and on total contribution rather than on the reported ratio, which is measuring a different objective than the one you just set.

Find the leak.

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