Google Ads from August 17: Target CPA/ROAS and Limited by budget campaigns

18/08/2026

On August 17, 2026, Google began globally rolling out a change to target-based bidding for campaigns with the status Limited by budget. If using Target CPA or Target ROAS and a campaign has historically significantly outperformed the set goal, its behavior may now move closer to the value actually set in the account. Google does not automatically change the budget or target. It is therefore important to check whether the numbers in the settings still match the real business objective.

What changes from 17 August

Google Ads is updating the bidding system for campaigns that are Limited by budget and use a target-based bid strategy. According to Google, the goal is to move more consistently toward the specified target, even when the budget is adjusted.

The rollout is global and gradual, so it may not be visible in every account immediately on August 18. Google explicitly states that the affected strategies include Target CPA, Target ROAS, and, for Demand Gen, also Target CPC.

Most important scenario: the campaign has significantly exceeded the target so far

Google provides the following example: if the Target CPA is set to 10 dollars, but the current actual CPA is 5 dollars, after the change the campaign may move closer to the specified target of 10 dollars. The point is not the specific currency, but the difference between the value in the settings and what the company actually considers acceptable.

If the old target was left high only because the campaign historically outperformed it, the setting may have stopped representing the business goal. This is exactly why Google recommends reviewing campaigns that are Limited by budget.

Google will not automatically overwrite your budget and target

This is an important safeguard against misinterpretation. The documentation explicitly states that Google will not automatically change the daily budget or bidding target. The responsibility for what value is set remains with the advertiser.

Automation therefore does not mean autonomous financial decision-making without limits. The system optimizes within the rules and goals that are given to it. If the goals are outdated, the problem is not that "the AI went crazy", but a mismatch between the settings and the current economics of the campaign.

Which campaigns are affected by the change

Google lists Search, Shopping, Performance Max, Demand Gen and Travel campaigns managed in Google Ads or Search Ads 360; for Demand Gen, the change also applies to the corresponding Display & Video 360 environment. It therefore does not make sense to check only classic Search.

The first filter should be the status Limited by budget. The second is the use of a target-based bid strategy. The third is the question of whether the campaign has long significantly exceeded the set target.

The Bid Target Adjustment Tool is a helper, not an autopilot

A PPC analyst checks "limited by budget" campaigns on the monitor; next to it, they have a table showing target CPA/ROAS alongside actual results.
PPC analyst monitoring Target CPA and ROAS following the Google Ads changes in August 2026.

Google is making the Bid Target Adjustment Tool available from July 6, 2026. It is intended to help review relevant campaigns and adjust targets before or during the change. However, the recommendation still needs to make sense in terms of margin, lead quality, and sales capacity.

At the same time, Google warns about a short transition period during which forecasts from August 17 to 31 may be inaccurate. Therefore, when deciding on a major budget change, it is important not to be misled into a false sense of accuracy by a single simulator.

What to check today – 18 August

  1. Filter campaigns with the status Limited by budget.
  2. Identify which ones use Target CPA, Target ROAS, or a relevant Target CPC in Demand Gen.
  3. Compare the set target with the actual CPA/ROAS over a representative period.
  4. Check whether the quality of conversions has changed. A cheap lead that sales rejects is not a winning signal.
  5. Verify tracking and conversion actions before changing the target.
  6. If adjusting the value, document the date of the change so the impact of the rollout can be separated from the impact of the intervention.
  7. Use forecasts up to August 31 with caution and base decisions also on real historical data.

Why lead quality is important for lead generation

Target CPA can look excellent while still optimizing for form submissions that the business does not want. If Google receives every submission as a primary conversion without any distinction in quality, the bidding system has no information about which lead is actually worthwhile.

For a more mature account, it makes sense to move measurement closer to the real business outcome – ideally by importing higher-quality conversion signals or at least regularly comparing PPC data with the CRM. This is not a one-off technical task, but an integral part of campaign management.

Do not make three major changes on rollout day

Today it is still unclear how the change will affect each specific account. If at the same time the target is fundamentally changed, the budget is doubled, the ads are rewritten and the landing page is redesigned, it will be impossible to know a week later what actually caused the result.

A more effective approach is controlled work: identifying high-risk campaigns, fixing clearly incorrect targets, documenting interventions and monitoring developments. A PPC audit can be carried out and priorities proposed without the automatic recommendation to "increase the budget".

Questions and Answers | FAQ

1. When did the change begin?

Google announces a global gradual rollout starting on August 17, 2026.

2. Will Google automatically change my budget or Target CPA/ROAS?

No. Google explicitly states that it does not automatically change the daily budget or the bidding target.

3. Which strategies are affected?

Target CPA, Target ROAS and, in the case of Demand Gen, also Target CPC if the campaign is Limited by budget. The change applies to multiple campaign types, including Search, Shopping and Performance Max.

4. Can I trust the forecasts during the rollout?

Google warns that from August 17 to 31, forecasting may be less accurate during a short transition period. Use it as a supporting input, not as the sole basis for decisions.

5. What is the difference between PPC advertising and SEO?

PPC brings traffic immediately after campaigns are launched, while SEO builds long-term organic visibility.

6. Do you also audit existing Google Ads accounts?

Yes. It is possible to check the account structure, targeting, search queries, conversions, and budget efficiency.

7. What happens after submitting a non-binding order?

After sending the non-binding order, all necessary information and instructions will be sent by e-mail. Depending on the nature of the request, a phone call may also be made to go through everything together. Once all the necessary details are received, all documents will be prepared and sent by e-mail along with instructions.

Non-binding order

Fill in all the required details and a response will be sent as soon as possible.


IS YOUR CAMPAIGN BUDGET LIMITED AND YOU DON’T KNOW IF YOUR TARGETS ARE STILL SET CORRECTLY?

Before that, the bid strategy, conversions, actual CPA/ROAS, lead quality, and budget limitations are checked. A specific audit is provided, showing what to adjust and what to keep only under observation for now.


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