PMax may hand your brand queries to Search
Google's Performance Max help doc now says it may filter brand queries and hand them to dedicated Search campaigns. How to read the move.
On 3 November 2026, Google added a paragraph to its help page on how Performance Max interacts with other campaigns. The paragraph says Performance Max may filter out navigational or brand-specific search queries so that dedicated Search campaigns can serve them instead. If you run both campaign types, part of your brand traffic is going to change campaigns, and the account total is not going to change with it. That gap is the entire story.
What Google actually wrote
The new section sits under "How it works" on the How Performance Max interacts with other campaigns in your account help page, next to the existing guidance on keyword prioritization across match types. Search Engine Roundtable flagged it on 3 November, having compared the live page against an archived June 2026 copy in which the paragraph does not appear. Read both sentences, because the second one is where the operational consequence lives:
Performance Max campaigns may also filter out navigational or brand-specific search queries to prioritize serving them through dedicated Search campaigns. This ensures brand-related queries are handled by campaigns offering more precise control. To capture this traffic, ensure your dedicated brand Search campaigns have sufficient budget and high-quality, eligible ads, and consider adding Search Themes to the Performance Max campaign.
Three things are worth pulling out of that wording.
It says "may". Not "will", not "starting today", not "for campaigns opted into". There is no date, no percentage, no eligibility list. Anyone telling you exactly which accounts are affected is inferring.
The filter is conditional on a recipient. The stated purpose is to prioritize serving brand queries "through dedicated Search campaigns." Where no dedicated brand Search campaign exists, there is nothing to prioritize, and the natural read is that Performance Max keeps serving those queries as before.
The remedy Google proposes is inbound, not in PMax. Fund the Search campaign, fix its ads, and add Search Themes if you want brand traffic back inside Performance Max. There is no switch here. The only levers named are campaign structure and budget.
This is a reporting event before it is a performance event
The instinct when a platform changes routing is to go looking for a performance problem. There usually isn't one. Nothing about your product, your creative or your landing pages changed. What changed is which campaign gets credited for demand that already existed.
Google's own documentation is the source of the confusion. Brand queries convert well inside Performance Max because the searcher typed the company name. When PMax is the campaign serving those queries, PMax gets the credit, and its reported ROAS benefits from demand it did not create. Move the same queries into a brand Search campaign and the campaign-level numbers for both campaigns change while the account converts exactly as many people as before.
| What you look at | What can move | What does not move |
|---|---|---|
| Performance Max conversions | down | total account conversions |
| Performance Max CPA and ROAS | worse | the underlying demand |
| Brand Search impressions and clicks | up | total branded search volume |
| Brand Search CPA | depends on its budget cap | the cost of that demand |
| Non-brand share of PMax spend | up, because the denominator shrank | non-brand demand |
The practical consequence is narrow and absolute: any Performance Max ROAS comparison that spans this change is not a measurement, it is an artifact. If you report month over month and the routing shifted inside the window, the delta is partly accounting. Segment your reporting at the change and say so in the deck, or you will spend a quarter optimizing a number that moved because a campaign boundary moved.
The trap: a brand campaign nobody funds
Read Google's second sentence again — "ensure your dedicated brand Search campaigns have sufficient budget and high-quality, eligible ads." That is not filler. It is the failure mode, written by the party that knows it best.
In the accounts we audit, the brand campaign is reliably the oldest, cheapest and least maintained campaign in the build. It was set up years ago, it always looked efficient, and because it looked efficient nobody touched it. It usually runs a modest daily cap and loses a meaningful share of impressions to budget, which nobody notices while Performance Max is quietly absorbing the overflow.
Then routing changes. Brand queries that used to be served by a campaign with effectively uncapped spend now queue behind a campaign with a hard daily cap. If that cap was already binding, the queries do not move to a better home. They stop being served. You did not gain efficiency; you lost inventory, and the loss shows up as a slow decline in total branded clicks that looks like seasonality.
So the first question is not "how do I optimize PMax." It is "if brand demand is handed to my brand campaign tomorrow, can that campaign absorb it?" For most accounts the honest answer is no.
Three reads before you change a budget
Do these in order. The first one decides whether the other two matter.
1. Quantify brand share inside Performance Max. Campaigns → Insights and reports → Search terms → Search terms and landing pages for Performance Max. This report has carried data since March 2023, which means you can establish a baseline and a trend rather than a single reading. Pull 90 days, tag each term as brand or non-brand against your own brand list including misspellings, and compute the impression share. If brand is a small slice, the routing change is a rounding error and you can close the tab. If it is a large slice, you now know what is at stake in clicks, not in adjectives.
2. Check the receiving campaign. Budget, impression share lost to budget, ad strength across the asset groups, and whether the brand campaign actually has eligible ads for the queries in question. A brand campaign with a tight cap and thin responsive search ads is not a recipient. It is a bottleneck that will silently drop demand.
3. Hold the totals constant. For the next reporting period, put total account conversions and total branded conversions at the top of the report, above any campaign row. If totals hold while the campaign split moves, routing changed and performance did not. If totals fall, you have a genuine coverage problem and it is almost certainly the budget cap in step two.
What we would actually do
Our position, stated plainly: this documentation change is the strongest argument in years for running a properly funded brand Search campaign, and it is the weakest possible argument for moving money out of Performance Max.
Those are different decisions that get merged constantly. The case for a funded brand campaign is a cost case. Navigational demand is the cheapest demand in any account, and buying it through Performance Max means paying an automated bidding system to chase queries where the searcher already decided. A dedicated brand campaign with its own budget and its own ads buys that same demand more directly and gives you a readable number for it. That case does not depend on this paragraph at all — the paragraph just makes the gap visible.
The case for cutting Performance Max budget because "it was only converting brand traffic" is much weaker. First, you have not established that the brand share was large until you ran read one. Second, even where it was large, those conversions were real conversions for the business, and the campaign that inherits them still needs budget. Cutting PMax and leaving the brand campaign capped is how accounts lose demand while looking like they got more efficient.
The one thing we would not do is restructure campaign architecture on the strength of a documentation edit. "May" is doing a lot of work in that sentence. Watch your own trend lines before you rebuild anything.
What the document does not say
Worth being explicit about the gaps, because most commentary on this change has filled them in.
- No effective date. The paragraph appeared in the help center; it does not say when behavior changed or whether it changed at all. Documentation often lags or leads product behavior by months.
- No threshold. Nothing about how much brand traffic, at what spend, under what campaign structure.
- No reporting field. There is no column, no segment and no diagnostic that tells you the filter fired. Your evidence is the search terms report trend and the campaign split.
- No opt-out. Google offers Search Themes as a way to keep targeting brand traffic inside PMax. It does not offer a switch to opt out of the filter.
That set of gaps is the useful part. It means the only reliable signal is your own data, read by demand rather than by campaign — which is the transferable lesson here, and it applies to every routing change the platforms ship.
The lesson that outlives this change
If you want a second opinion on where your brand demand actually sits and what a brand campaign should look like next to Performance Max, our digital ads team does this audit as a standalone piece of work. The same reading discipline applies to the placement-level decisions in value rules and placement exclusions, and to the platform automation tradeoffs in Smart+ versus Advantage+. If your numbers are moving and you are not sure whether it is routing or fatigue, the diagnostic order in our frequency diagnosis breakdown is the one we use first. And when the answer is "the account structure needs rebuilding, not the budget," that is a conversation worth having before the next quarter starts.
A campaign is an accounting bucket. Demand is the asset. Every time a platform redraws the boundary between buckets, the buckets move and the asset does not. Teams that report at bucket level spend the following period explaining a number that relocated, and teams that report at demand level spend it asking whether they still bought the same demand at the same cost.
Frequently Asked Questions
Does Performance Max now exclude brand queries automatically?
No. Google's help page says Performance Max campaigns may filter out navigational or brand-specific search queries to prioritize serving them through dedicated Search campaigns. It is a description of behavior, not a setting, and Google publishes no threshold, no date and no account-level flag for it. You cannot switch it on or off, and you cannot confirm from the interface whether it is active.
Will my Performance Max ROAS drop after this change?
It can, without anything about your performance getting worse. Brand queries convert at high rates because the searcher already knows the company. If those queries move from Performance Max into a brand Search campaign, the campaign that keeps the conversions is not the one that used to report them. Read total account conversions and total branded conversions, then compare campaign-level ROAS only within a period, never across the change.
How do I keep brand traffic inside Performance Max?
Google's own suggestion in the same paragraph is to add Search Themes to the Performance Max campaign. The alternative is to not run a dedicated brand Search campaign for it to hand off to. Both are real tradeoffs: buying navigational demand inside Performance Max costs more than buying it in a capped brand campaign, but the campaign structure stays simpler.
