Google Ads is changing its targeting strategies

Some Google Ads updates look like minor technical changes in a help center article, then turn out to affect how performance, targets, and scaling potential should be read.

This is one of those cases.

Google has announced a change to the behaviour of target-based bid strategies for campaigns that are limited by budget. In simple terms.

If a campaign is currently performing much better than the target you entered, it may start working more closely towards that target once the update rolls out.

Put even more directly: if the target inside the account is no longer realistic, Google will be less likely to keep delivering results that are significantly better than the number you actually set.

What changes from August 17, 2026

The change takes effect from August 17, 2026 and affects how Google manages limited by budget campaigns using target-based bid strategies.

Google’s stated goal is to make performance more consistent and predictable based on the target set by the advertiser, including when budgets are adjusted.

This is the important part: today, some campaigns that are budget constrained can overperform compared with their stated target.

After the rollout, Google will tend to optimise more consistently towards the target entered in the account, not towards the better actual performance the campaign may have achieved recently.

The example that makes it clear

Google uses a very simple example, and it is useful because it removes the main ambiguity.

If a campaign has a Target CPA of €10, but has recently achieved an actual CPA of €5, after the change it may start delivering closer to the €10 target set in the account, rather than the €5 performance observed recently.

This means something very practical: many accounts that currently look "more efficient than target" may actually be relying on a behaviour that will no longer work in the same way after August.

For performance teams, the risk is not only technical.

It is misreading what currently looks like a healthy balance.

Why Google is making this change

Google’s logic is quite clear: make growth more predictable when budgets change.

Until now, increasing budget on some limited by budget campaigns using target-based bidding could lead to fluctuations or drops in efficiency.

With this update, Google wants to reduce that volatility and make scaling more consistent with the target declared by the advertiser.

On paper, the promise makes sense.

The key point, though, is that this increased predictability comes with a trade-off: the system will take the target you entered more seriously.

If that target is wrong, outdated, or disconnected from the business, the issue will no longer be "Google occasionally overdelivering".

It will be an account aligning more closely with a number that may no longer make strategic sense.

Who is actually impacted

This change does not affect every campaign in the same way.

Google indicates that the update mainly applies to Search, Shopping, Performance Max, Demand Gen, and Travel campaigns that use target-based bid strategies and have been limited by budget.

There are also a few exceptions.

Display and Hotel campaigns already use the new bidding behaviour, so they will not experience a real change on that date.

App Campaigns, Video Reach Campaigns, and Video View Campaigns will continue using the previous behaviour.

This distinction matters because it avoids turning the update into generic panic. Not everything will change for everyone in the same way.

The real point: this is not just a bidding update, it is a target quality update

This is the most useful takeaway. The update is not only about Smart Bidding.

It is about the quality of the target set inside the account.

For years, many accounts have lived with Target CPA or Target ROAS values that were no longer fully aligned with the business, but that still “worked” because the system was able to overperform in practice.

With this change, that compromise becomes less sustainable.

So the work is not just "let’s see what happens in August".

The real question is: does the target currently set still reflect the business objective, or is it just an inherited number that has not been reviewed properly in a long time?

The Bid Target Adjustment Tool: why it matters

To help advertisers prepare, Google will introduce a new tool inside Google Ads from July 6, 2026: the Bid Target Adjustment Tool.

The logic is straightforward: show historical campaign performance and suggest target updates for advertisers who want to maintain performance levels similar to what they have recently seen.

It is a useful move, but it should not become something to delegate blindly.

The tool can help identify where the stated target no longer reflects actual performance.

It should not become a shortcut for applying every recommendation without context.

Because the right target does not depend only on what the campaign did yesterday.

It depends on margins, business goals, commercial priorities, lead quality or revenue quality, and strategic direction.

What really to do before August

This practical part matters more than the news itself.

If you have limited by budget campaigns using tCPA or tROAS, it is worth making three checks before the rollout.

The first is to identify which campaigns are overperforming compared with the target currently set.

The second is to decide whether that target still represents the right level for the business, or whether it needs to be updated.

The third is to separate campaigns where you want to maintain efficiency close to recent performance from campaigns where you want to scale while accepting a new balance.

In other words: not every campaign deserves the same reaction.

Some targets will need to be realigned. Some campaigns may be left as they are.

Others may require a change in strategy, for example moving towards Maximise Conversions or Maximise Conversion Value, if the real objective is to capture more volume rather than defend a rigid target.

Watch Performance Max and Demand Gen closely

Google also notes that, for multi-channel campaigns such as Performance Max and Demand Gen, the change may lead to shifts in how traffic is distributed across different channels.

This is not a small detail.

In campaign types that are already harder to read in a linear way, a bidding behaviour change can also affect the inventory mix and how performance is distributed across surfaces.

So no, this is not only a Search update.

It can also affect campaigns where the issue is not just the target itself, but the way delivery is allocated.

Google will not change targets or budgets for you

One useful and, for once, fairly reassuring point is that Google will not automatically adjust bidding targets or budgets.

That means there is no risk of an invisible change being applied directly to those settings.

But it also means the responsibility stays with the advertiser.

If a target is currently too loose, too old, or simply no longer coherent, August will not bring an automatic rescue.

It will bring a system that follows that target more consistently.

It is not "what changes", but "do my targets still make sense?"

The most interesting part of this update is that it forces advertisers to review an area of the account that is often treated too casually: the targets that are actually set.

As long as the system overperforms, it is easy to assume those numbers are working.

When Google decides to follow them more consistently, those numbers become what they always were: a strategic choice.

So the useful question is not only what changes on August 17.

It is more uncomfortable, but much more valuable: are the targets currently in the platform really the targets you want, or are they simply the ones you have stopped questioning?

Google Ads and target-based strategies: what to do now

If you manage campaigns using tCPA or tROAS and you have assets that are limited by budget, this is the right time to review the relationship between stated target, actual performance, and business objective.

For some accounts, the right move will be to correct the target before Google starts making it matter more.

For others, this may become an opportunity to use budget and bidding in a more predictable way.

Either way, the worst mistake is reaching August without having properly looked at the numbers.

Because when a platform changes how it interprets your targets, it is not just updating bidding behaviour.

It is testing whether those targets were chosen well in the first place.