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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsYes, but not as a guaranteed hard budget for every channel inside every campaign. Google Ads began rolling out channel-prioritization and budget-allocation controls on October 15, 2026. In eligible campaigns, you can mark channels High or Low priority and, for some low-priority channels, set a desired percentage of the campaign’s average daily budget. The controls steer delivery on a best-effort basis. If you need a firm, independently managed budget for Search, YouTube, or another major environment, separate campaigns remain the clearest structure.
What “separate budgets” means in Google Ads
There are two different ideas that are often confused:
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- Channel prioritization and allocation: controls inside one campaign that tell Google which eligible channels should receive spend first and, in some cases, what share a lower-priority channel should target.
- Independent campaign budgets: separate campaigns, each with its own average daily budget, bidding strategy, settings, and reporting. This is the structure to use when a channel must have its own enforceable spending plan.
The new controls operate inside the first model. They do not turn one campaign into several campaigns with isolated billing ledgers. Google can still vary delivery with auction demand, campaign goals, eligible traffic, and daily pacing.
Availability is account-dependent during the rollout. Google says the controls can be managed in Google Ads and Search Ads 360; support for Google Ads API and Google Ads Editor is coming later. An account that does not show the controls may not yet be eligible, even when the campaign type is listed as supported.
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Which campaign types support channel controls?
The available channels and the type of control differ by campaign type.
| Campaign type | Channels or channel groups | What you can control |
|---|---|---|
| Search | Google Search, search partners, Google Display Network | Prioritize channels High or Low; eligible low-priority channels can receive an allocation percentage. |
| Shopping | Google Search and Google search partners | Prioritize the listed channels; eligible low-priority channels can receive an allocation percentage. |
| Performance Max | “Google channels” group: Search, YouTube, Maps, Gmail and Discover; Search partners and Google Display Network are separate choices. | Prioritize the available groups and set eligible low-priority allocations. The Google channels group is not split into individual Search, YouTube, Maps, Gmail and Discover budgets. |
| Demand Gen | Supported Demand Gen channels | Channel prioritization is available, but budget-allocation percentages are not supported. |
Google’s rollout documentation says the exact availability can vary by account and timing. Treat the settings visible in your account as the authoritative indication of eligibility.
How priority and percentage allocation spend money
High priority is considered first
A High-priority channel receives consideration before Low-priority channels. Google then evaluates whether additional eligible traffic in a lower-priority channel can help meet the campaign’s objective. This is a preference order, not a promise that the High-priority channel will consume a fixed amount every day.
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A low-priority allocation is calculated from the campaign’s average daily budget, not from whatever the campaign happens to spend that day. Google’s example is 5% of a $1,000 average daily budget: the system aims to keep that channel at or below $50 per day. That is a target allocation, not a separate $50 billing account.
The limit is best effort
Google warns that daily delivery may exceed the percentage, including on days when the campaign spends more than its average daily budget. Auction conditions and campaign optimization can make actual channel spend differ from the desired allocation. A setting of 0% means Google will not spend on that channel.
Because the percentage is tied to the average daily budget, changing that budget changes the implied dollar amount. For example, a 5% setting on a $200 budget implies a $10 daily target, while the same setting on a $2,000 budget implies $100. Neither figure should be treated as a guaranteed daily cap.
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Can you set separate budgets for Search and YouTube?
Not as two guaranteed budgets inside a single Performance Max campaign. Performance Max groups Search, YouTube, Maps, Gmail and Discover under “Google channels.” You can control the Google channels group relative to Search partners and the Google Display Network, but the interface does not provide independent hard budgets for Search versus YouTube within that grouped category.
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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →If Search and YouTube need separate financial ownership, pacing, or return-on-ad-spend targets, create separate campaigns where the channel is the campaign’s operating scope. This also produces cleaner reporting and lets you pause or change one environment without changing the other.
How to stop or reduce Performance Max Display spend
Use the available channel setting first
- Open the eligible Performance Max campaign in Google Ads or Search Ads 360.
- Open the campaign’s channel-prioritization or channel-allocation controls. The label and placement can vary while the rollout continues.
- Review the entries for Google channels, Search partners and the Google Display Network.
- Set the Display Network to Low priority and assign the desired allocation if a percentage control is offered.
- Set the Display Network allocation to 0% when you want Google not to spend on it through that campaign.
- Save the change, then monitor channel delivery over enough traffic to distinguish pacing from a single-day auction fluctuation.
This process can reduce or stop Display Network delivery through the campaign, but a nonzero percentage remains a best-effort target. It does not create a fixed Display budget or guarantee that the remaining Google channels will spend the amount you expected.
Use a different campaign structure for a strict exclusion
When the business requires independently controlled Search, YouTube or Display investment, do not rely on a grouped Performance Max campaign to provide that separation. Build campaigns whose supported settings and inventory match the required channel boundaries. Google notes that Search and Demand Gen campaigns allow supported channels to be opted out individually; Performance Max groups several surfaces as Google channels.
How to configure prioritization in an eligible campaign
Because the rollout is account-specific, the exact menu text can differ. The following workflow describes the decisions rather than promising a particular button name.
- Confirm eligibility. In Google Ads or Search Ads 360, open the campaign and look for channel-prioritization or allocation controls in its settings. If they are absent, the account may not have access yet.
- List the required channels. Write down which environments must receive first consideration and which are experimental or lower priority.
- Assign priority. Mark the primary channels High and the channels you want considered later Low. A Low setting does not automatically mean zero spend.
- Enter allocations where offered. For each eligible Low channel, enter a percentage of the campaign’s average daily budget. Use 0% to disallow spend on that channel.
- Check campaign goals. Confirm that the priority order still makes sense for the conversion goal, bidding strategy and available traffic. Google can favor the next opportunity that is expected to improve the overall campaign result.
- Save and annotate. Record the date, average daily budget, priority choices and percentages so later performance changes can be interpreted correctly.
- Validate delivery. Compare channel-level cost and conversions with the settings. Investigate persistent divergence, but do not judge a best-effort allocation from one day alone.
When separate campaigns are the better answer
Use separate campaigns when any of the following is important:
- A channel has a legally, contractually or operationally fixed budget.
- Finance requires independent invoices, owners or monthly pacing.
- Search and video have different conversion definitions, attribution rules or bid strategies.
- You need to pause one environment without changing another.
- Reporting must show channel performance without relying on grouped inventory labels.
- You need a reliable experiment in one channel while protecting the budget of another.
Separate campaigns add management work: more settings to maintain, more budgets to pace and potentially less data for automated bidding in each campaign. That trade-off is usually worthwhile when control matters more than consolidating optimization.
Performance Max optimization versus channel control
Performance Max is intentionally designed to move investment toward the opportunity Google predicts will produce the strongest overall result. Google Ads Help states: “Performance Max is designed to maximize your overall campaign performance across all channels, not just the performance of any single one.”
That design explains why a request for a fixed channel split can conflict with the product’s optimization scope. A strict YouTube ceiling, for example, may prevent the system from using a potentially stronger opportunity in the grouped Google channels inventory. Conversely, allowing the system to optimize broadly can make channel-level planning less predictable.
| Structure | Channel control | Budget certainty | Optimization scope | Operational complexity |
|---|---|---|---|---|
| One campaign with prioritization | Relative priorities and eligible percentages | Best effort; not a guaranteed per-channel cap | Cross-channel within the campaign | Lower |
| Separate campaigns | Campaign-level inventory and settings | Independent campaign budgets; still subject to normal daily pacing | More focused by campaign | Higher |
| Shared budget across campaigns | Campaigns draw from one pool | Not independent; unused capacity can move between campaigns | Shared optimization across the linked campaigns’ pool | Medium, with added coordination rules |
How shared budgets change channel planning
A shared budget is one average daily budget used by multiple campaigns. Google says unused capacity can be reallocated among those campaigns to maximize results. That behavior is the opposite of a protected per-channel envelope: a campaign that underspends can make capacity available to another linked campaign.
Channel-prioritization settings on shared budgets require the linked campaigns to use identical campaign types. The controls treat the shared budget as one pool across those campaigns. If each channel must retain a known amount, assign individual budgets instead of linking campaigns to a shared budget.
Campaign total budgets are different from channel allocations
A campaign total budget controls the total amount over a defined start and end date. Google supports campaign total budgets for Demand Gen, Search, Standard Shopping, Performance Max and YouTube campaigns when the campaign has defined dates.
Google states that an advertiser may be billed only up to the amount entered for the campaign even when traffic delivery varies; overdelivery credits are calculated from the total budget. This protects the campaign’s total duration spend, but it does not divide that total into independently budgeted channels. A Performance Max total budget can still be optimized across its grouped Google channels and any other eligible inventory.
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Common mistakes and how to correct them
Assuming a percentage is a hard cap
Symptom: a channel exceeds its percentage on a high-spend day.
Correction: remember that the percentage is based on average daily budget and is best effort. Set 0% when the channel must receive no spend, or move the channel into a campaign structure with the required independent control.
Expecting Search and YouTube controls inside Performance Max
Symptom: the settings show “Google channels” rather than separate Search and YouTube rows.
Correction: treat the group as the product’s optimization unit. Use separate campaigns if those environments need distinct budgets or bidding decisions.
Judging delivery from one day
Symptom: a Low-priority channel appears over or under its target immediately after a change.
Correction: review multiple days of spend, traffic eligibility and campaign goal performance. Daily pacing can exceed the average daily budget, so one day is not proof that the setting failed.
Using a shared budget for supposedly fixed channel amounts
Symptom: one campaign spends less while another receives more of the available pool.
Correction: remove the shared-budget relationship and assign budgets at the campaign level when each channel must retain its own envelope.
Looking for controls in Editor or the API
Symptom: the web interface has the feature but the workflow used for bulk changes does not.
Correction: Google says API and Editor support is coming soon. Manage the setting in Google Ads or Search Ads 360 until your account’s supported tools expose it.
A practical decision framework
- Need zero spend on a supported channel? Use the 0% setting where available, and verify that the campaign shows no delivery for that channel.
- Need a soft preference or ceiling? Keep one campaign, mark channels High or Low, and set the eligible percentage with the understanding that it is best effort.
- Need Search and YouTube to have separate hard budgets? Use separate campaigns; Performance Max does not split its Google channels group into those individual budgets.
- Need a fixed amount across a date range? Consider a campaign total budget, while remembering that it controls the campaign total rather than each channel.
- Need several campaigns to draw flexibly from one pool? A shared budget can do that, provided the linked campaigns meet the identical-campaign-type requirement for channel controls.
What to monitor after changing the settings
Track the campaign’s average daily budget, actual total spend, channel-level spend, conversions, cost per conversion and any delivery above the intended percentage. Keep a change log containing the old and new priorities, allocation values, budget and date. Review whether the resulting mix still serves the business goal rather than optimizing solely for a channel’s impression share.
Also check whether a channel is receiving enough eligible traffic to spend its target. A Low-priority percentage is an upper-oriented allocation target, not a promise that Google will manufacture traffic to reach it. If a channel has little eligible inventory, underspending can be expected; if the campaign is spending more than its average daily budget, a percentage can be exceeded.
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Quick Recap
Bottom line for the main reader questions
- “Can I set separate budgets for Search and YouTube?” Not as independent hard budgets inside one Performance Max campaign. Use separate campaigns for that requirement.
- “How do I stop Performance Max from spending on Display?” Set the Google Display Network allocation to 0% where the control is available, then verify delivery; use a different campaign structure when strict separation is essential.
- “Can I cap search partners at a percentage of my daily budget?” Eligible Search and Shopping campaigns can assign a low-priority allocation percentage, calculated from average daily budget and applied on a best-effort basis.
- “Should I split campaigns by channel?” Split them when independent budgets, reporting, bidding or governance matter more than consolidated cross-channel optimization.
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