By Zain Ismail · October 26, 2026 · 10 min read

Google Ads Channel Prioritization: BFCM Budget Setup Guide

Google Ads channel prioritization explained: when High/Low priority changes spend, how budget caps work, and the Feb 2027 Display deadline to set now.

Google Ads channel prioritization lets you tell Google which networks get your budget first. You mark each channel High or Low priority, and for Low priority channels you can cap daily spend at a percentage of the campaign’s average daily budget. Google announced it on October 14, 2026, and its help page says it began rolling out on October 15 (Google Ads Help). That puts it in front of advertisers about six weeks before Black Friday on November 27.

The short version: priority only changes anything when a campaign is limited by budget. The percentage cap is what actually moves spend in most accounts, it’s best-effort rather than a hard limit, and there’s a deadline attached. From February 2027, Search campaigns with the Display Network turned on lose their current Display Expansion setup. Here’s how the controls work, where they don’t, and how to set them before BFCM.

Key takeaways

Every channel defaults to High priority. Nothing changes until you deprioritize something, except Display Expansion on Search in February 2027.
Priority is ignored when you’re not budget-limited on Target CPA, Target ROAS or Target CPC. Budget allocation caps still apply.
The cap is a percentage of average daily budget, not actual spend, resets daily, and “isn’t a guarantee.” Only 0% reliably stops spend on a channel.
Performance Max groups Search, YouTube, Maps, Gmail and Discover as one “Google channels” bucket. You can only rank Search partners and Display separately.
To keep today’s Display Expansion behavior, set the Display Network to Low priority with a 50% allocation before February 2027.

What Google launched

Tal Akabas, Director of Product Management for Google Ads, opened the October 14 announcement with “Say goodbye to all-or-nothing channel targeting” (Google Ads & Commerce Blog). Until now, a secondary network like Search partners was on or off. The two new controls sit in between:

Channel prioritization: two tiers. “Google AI prioritizes spend on High priority channels (within your target if you use Target CPA or Target ROAS) before distributing any remaining budget to Low priority channels” (Google Ads Help).
Budget allocation: an optional daily percentage cap that only exists on Low priority channels. PPC Land puts it simply: “a channel has to be marked Low priority before an allocation can be attached to it” (PPC Land).

Search Engine Roundtable notes Google had shown an alpha of this in August (Search Engine Roundtable). Ecommerce Paradise describes that earlier Performance Max alpha as a slider per channel that changed how willing the algorithm was to accept a worse CPA, not a direct budget split (Ecommerce Paradise). The shipped version is simpler: two tiers and a percentage.

Why Google says it built this

According to Ecommerce Paradise, Akabas told MediaPost that many advertisers who opted into Search partners or the Display Network had worried about spend fluctuating on those channels, and that he hopes the controls make performance spend more predictable. The same report says Google is also exploring controls that break out spend for different types of search and AI-based experiences. Search Engine Journal adds that a separate, small alpha with more advanced Performance Max channel controls is still running, and Google’s product team confirmed both approaches will operate alongside each other for now.

The timing ties in with other holiday features. In her October 16 Ads Decoded newsletter, Ginny Marvin also said promotion mode is “rolling out in beta on Search and PMax,” letting you “schedule a promotional period and set a ROAS tolerance between 5-90%,” with spend reverting to your original settings when the promotion ends (PPC Land). If you plan to use promotion mode for Black Friday, set channel priorities first so you know which networks the extra spend can reach.

Which channels you can rank, by campaign type

Campaign type	Channels you can prioritize	Budget allocation on Low priority?
Search	Google Search, search partners, Google Display Network	Yes
Shopping	Google Search, Google search partners	Yes
Performance Max	Google channels (grouped), Google search partners, Google Display Network	Yes
Demand Gen	Google channels (grouped), Google Display Network	No (per the help page)

Source: Google Ads Help, as tabulated by Limelight Marketing.

The Performance Max row is the one that disappoints people. “Google channels” bundles Search, YouTube, Maps, Gmail and Discover, so you can’t put YouTube below Search. TechWyse is direct about it: advertisers “cannot use these controls to rank those individual Google-owned surfaces separately” (TechWyse). Google’s help page points to Search and Demand Gen campaigns if you need per-channel opt-outs.

Demand Gen is the least settled. The blog post lists it, but the help page says budget allocation isn’t supported there. Search Engine Journal, which attended Google’s briefing, reported that limited Demand Gen testing is expected to begin in November (Search Engine Journal).

When channel prioritization actually changes spend

This is the part most summaries skip. Priority only redistributes money when a campaign runs out of budget before it runs out of opportunities. Google’s help page breaks it down by bid strategy:

Bid strategy	What priority does	Do allocation caps apply?
Target CPA / ROAS / CPC, not limited by budget	Nothing. Google aims to hit your target across all channels	Yes
Target CPA / ROAS / CPC, limited by budget	High priority spends first within target; budget shifts to Low priority only if it can convert at your target	Yes
Maximize Conversions / Conversion Value	High priority spends first; what can’t be spent there goes to Low priority	Yes
Maximize Clicks, Manual CPC, Target Impression Share	Same: High first, remainder to Low	Yes

Google said so itself in the announcement quoted by Search Engine Roundtable: budget allocation “is particularly helpful for campaigns with Target CPA or Target ROAS bidding that are not limited by budget since channel prioritization alone will generally not have an impact there.” TechWyse adds the right warning: High priority “does not guarantee a fixed amount of spend, impression volume or conversions from a chosen channel.” It decides who gets the first chance to spend.

How budget allocation caps work

The math

The percentage is “calculated as a percentage of the campaign’s average daily budget… not as a percentage of actual campaign spend.” Google’s example: a 5% allocation on a $1,000 average daily budget means Google aims to keep that channel at or below $50 per day. TechWyse points out this holds “even if the campaign spends less than $1,000 that day,” so on a slow day the cap is a bigger share of what you actually spent.

The limits

Best-effort, not a ceiling. Google: “this isn’t a guarantee, and daily spend on that channel may occasionally exceed your budget allocation,” including on days the campaign spends more than its average daily budget.
It resets daily. Under- or overspend doesn’t carry over (PPC Land, Limelight).
0% means off. “If you set a Low priority channel’s budget allocation to 0%, Google won’t spend on that channel.” Google’s Ads Product Liaison, Ginny Marvin, confirmed you can set Search partners to 0% in Performance Max, though PPC Land notes she didn’t repeat the “isn’t a guarantee” caveat for it (PPC Land).
Shared budgets count as one pool, and every campaign in the pool must be the same type.

TechWyse’s summary is the one to remember: the allocation “does not replace billing caps, insertion orders or independent spend monitoring.”

Where you can’t use it yet

Google’s help page lists these limits:

Manager accounts: you can’t set channel prioritization from an MCC. Set it in each client account or campaign.
Campaign total budgets: supported with channel prioritization for Demand Gen only. Other campaign types using total budgets ignore the settings.
Experiments: supported in custom experiments, but multi-campaign shared budgets aren’t, and all channels in experiments are treated as the same tier.
API and Editor: the help page says Google Ads API and Editor support is “coming soon.” Ginny Marvin’s newsletter says the API is supported at launch. PPC Land calls this “the clearest conflict.” Check before you build a bulk-edit plan around either.
Rollout: progressive. Marvin’s newsletter said “coming months,” her X post said “coming weeks.” If the card appears in one account and not another, that’s expected (Limelight). Miraflow’s summary of the same limits: rollout is progressive, API and Editor support is listed as coming soon, and manager accounts can’t set it (Miraflow).

The February 2027 Display Expansion deadline

This applies even if you never touch the new controls. Google’s help page: “Starting in February 2027, all Search campaigns with Display Expansion enabled will automatically migrate to channel prioritization and budget allocation. Once this takes effect, the current spend allocation setup will go away, and you may see a shift in channel spending.”

The reason is the default. Today, Search Engine Journal reports, Google prioritizes Search inventory over Display when both are enabled. After migration, every channel starts at High priority, so Display competes for budget on equal terms unless you change it. Google’s fix: set the Google Display Network to “Low priority” with a 50% daily budget allocation to keep your current configuration. Gradezilla flags the same exception: everything starts as High priority, except Display Expansion on Search, which migrates automatically (Gradezilla).

Recommended setup before BFCM

These are recommendations, not Google’s instructions. They follow from the mechanics above.

Search campaigns

Keep Google Search at High priority.
If you had Search partners off because of quality, use this to test it back in: Low priority with a small cap. Search Engine Journal’s example is 20% of the daily budget; on lead gen accounts, start lower and check placement reports. Marvin points to network segmentation and placement reporting for this, and PPC Land notes Search partner placement reporting has been available since August 2025.
If Display is on, set it to Low priority now with an explicit cap rather than waiting for February. 50% matches today’s behavior; lower if Display isn’t converting.

Performance Max

You can’t separate YouTube from Search here. Use the controls for what they can do: put Search partners and Display at Low priority with caps, or 0% if you’ve seen junk traffic.
Check whether your PMax campaigns are actually limited by budget. If they’re on Target ROAS and not budget-limited, priority does nothing; only the cap matters.

Timing

Make the change now, not on Black Friday week. Shifting where budget goes changes the traffic mix your bidding learns from, so give it time before peak. If you’re raising budgets for BFCM, remember the cap is a percentage: a 10% cap on a doubled budget is double the dollars.

From my accounts

At Tadpull, I managed over $1.17M in ad spend in 90 days at 3–5x ROAS, with an 82% Google optimization score, and helped the agency earn Google Premier Partner status. The Tadpull case study has the detail. At that spend level, a few percentage points of budget is a lot of money, which is why a middle option between “on” and “off” for secondary networks matters.

For the full Google Ads setup behind decisions like this, my free Google Ads book The $10K Mistake is a good place to start. If you missed it, my roundup of Google Ads policy updates for October 2026 covers the policy side.

Channel prioritization checklist

Check	Where
Is the “Channel Prioritization” card visible?	Account settings
Which campaigns are “Limited by budget”?	Campaigns → Status column
Search partners and Display performance by network	Segment → Network; placement reports
Set account defaults per campaign type	Account settings → Channel Prioritization
Override on campaigns that need it	Campaign → Settings → Channel Prioritization
Search campaigns with Display on: set Display to Low + cap	Before February 2027
Watch daily network spend vs. cap for a week	Segment → Network, daily view

Want this applied to your accounts? Get in touch with Zain. I reply on WhatsApp, email and LinkedIn.

FAQ

What is Google Ads channel prioritization?

It’s a setting that ranks the channels inside a campaign as High or Low priority. Google funds High priority channels first and spends the remainder on Low priority ones. It’s available for Search, Shopping, Performance Max and Demand Gen, rolling out from October 15, 2026.

Does channel prioritization work with Target ROAS?

Only when the campaign is limited by budget. If a Target ROAS or Target CPA campaign isn’t budget-limited, Google aims to hit the target across all channels and priority doesn’t change spend. Budget allocation caps still apply.

Is budget allocation a hard spending cap?

No. Google calls it best-effort and says daily spend on a channel may occasionally exceed it. Setting a Low priority channel to 0% stops spend there.

Can I prioritize YouTube separately in Performance Max?

No. Performance Max groups Search, YouTube, Maps, Gmail and Discover as “Google channels.” Only Search partners and the Display Network can be ranked separately.

What happens to Display Expansion in February 2027?

Search campaigns with Display Expansion migrate automatically to channel prioritization, and the current spend setup goes away. To keep today’s behavior, set the Display Network to Low priority with a 50% allocation.

Want this applied to your accounts? Get in touch with Zain. I reply on WhatsApp, email and LinkedIn.

Sources

Want this applied to your accounts?

Get in touch