Google PMax Update: Unveiling Search Partners in Performance Max Reporting (2025)

Google finally pulls back the curtain on PMax’s biggest mystery — Search Partners performance. Advertisers have been asking for clearer insights for years, and now they’re finally getting them. But is this new transparency all good news? Let’s take a closer look.

Google has rolled out a major upgrade to its Performance Max (PMax) reporting system — one that marketers have long been waiting for. With this update, Search Partners now appear as a dedicated segment within the PMax Channel Performance tables in Google Ads. For the first time, advertisers can directly see:

  • How Search Partners affect overall PMax results.
  • Whether that traffic adds meaningful or incremental value.
  • How their performance stacks up against other PMax channels.
  • The total amount of advertising spend attributed to the Search Partner network.

What this update changes

Transparency has been the missing ingredient in PMax campaigns, especially when it comes to understanding how Google’s automation distributes ad budgets. With this update, advertisers gain visibility into how much budget flows toward Search Partners, along with insights on whether that investment drives efficiency or reduces profitability. In short, this means no more guessing where part of your money goes.

Why it matters

Until now, Search Partner activity inside PMax was practically invisible. Marketers couldn’t break down spend or performance, leaving a blind spot that often complicated budget optimization. With the new reporting line item, that long-standing opacity is finally lifted. Teams can now measure whether Search Partner traffic contributes real incremental value—or whether it’s quietly dragging campaign performance down. This shift empowers advertisers to make smarter, data-driven decisions about where to allocate their ad budgets.

The bigger picture

While the feature itself might look small, its implications are far-reaching. For advertisers managing large-scale PMax campaigns or assessing profitability by channel, having a way to isolate Search Partner data is transformational. It enables precise optimization, more strategic budgeting, and improved forecasting. The newfound insight could reshape how many view the balance between automation and manual control in Google Ads. But here’s where it gets controversial: will this level of visibility push advertisers to demand even more control over automated campaigns?

This update was first spotted by Google Ads expert Aleksejus Podpruginas, who shared a sneak peek on LinkedIn, sparking immediate discussion among industry professionals.

The bottom line

PMax is finally shining light on an area that was hidden for far too long. Advertisers now get a fuller picture of how Google’s AI-driven systems use their budgets across networks — a step toward demystifying a platform often criticized for its black-box nature.

Search Engine Land, owned by Semrush, remains dedicated to delivering trustworthy and in-depth coverage of digital marketing innovations. Unless noted otherwise, our content is written by Semrush staff or professional contributors.

About the author

Anu Adegbola has served as Paid Media Editor at Search Engine Land since 2024, specializing in paid search, social, retail media, and video advertising.

Her career began in 2008, running digital marketing campaigns centered on paid search while developing strategies to maximize ROI, streamline automation, and drive efficiency across marketing operations. Beyond her editorial work, she founded the well-known PPC networking event PPC Live and hosts the weekly PPC Live The Podcast. Anu is also an international speaker who has presented at events such as SMX (US, UK, Munich, Berlin), Friends of Search (Amsterdam), brightonSEO, HeroConf, SearchLove, and AdWorld Experience (Italy).

Now that Google has finally opened up this long-hidden performance data, one big question remains: Will this new transparency change how marketers perceive — or even trust — PMax campaigns? What do you think: is Google empowering advertisers, or just revealing enough to keep control of the system?

Google PMax Update: Unveiling Search Partners in Performance Max Reporting (2025)
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