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Google Performance Max: Everything you need to know

This is curated content from the best of the best blogs around IMHO, indispersed with a few of my own.

Summary. As a PPC specialist, it’s vital to recognise how Performance Max campaigns within Google Ads are revolutionising our approach to conversion optimisation and ROI enhancement. Unlike traditional PPC maneuvers which involve a granular focus on Search and Shopping, Performance Max mandates a broader strategic mindset. It demands that we harness its machine learning capabilities to unify our campaign efforts.

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Learn what sets Performance Max apart from other Google Ads campaigns, and how it can drive conversions and maximize ROI.

Even the most traditional PPC manager can’t deny it anymore: Performance Max can do amazing things. Of course, that requires you to approach it with a different mindset than Search and Shopping.

Let me give you an example.

Years ago, when working with retailers selling products from many different brands, you typically make a separate Shopping campaign for each brand. Try that with Performance Max, and you’ll force it into doing something it’s not built for. And performance certainly won’t be at max.

Consolidation is the name of the game with Performance Max. Performance will take off if you lean in on its machine learning and smart algorithms. But carry forward your habits from the more granular campaign types, and Performance Max’s algorithmic nature will punish you.

Here’s everything you need to know about Google’s Performance Max campaign so that you can keep those needles moving in the right direction.

What is Performance Max?

Performance Max in Google Ads is the culmination of everything that makes the world’s largest search engine special. Years of collecting data on people’s browsing and purchasing behavior has allowed Google to create a campaign that’s tailored to individual searches.

Rather than placing ads in specific inventory types – like search results or product listings – Performance Max allows advertisers to upload all types of assets and access all of Google’s ad placements from one campaign. That includes:

  • Text.
  • Videos.
  • Feeds.
  • Images.

After being released to limited accounts during its alpha (2020) and beta (2021) stages, Performance Max rolled out to the wider Google Ads community in 2022 ahead of the peak shopping season.

Since then, Google has continued to support Performance Max by releasing new features, including brand exclusions and asset group-level reporting.

What makes Performance Max powerful?

Google intended Performance Max to be an all-in-one campaign type capable of serving the needs of most advertisers. Here are some of the defining features that make that possible.

Targeting capabilities

Keywords, audiences, and product feeds remain the backbone of campaign targeting. This is no different when it comes to Performance Max, but it’s how those three elements behave and work together that sets this campaign apart.

While it will quickly bypass any initial settings you give it in pursuit of the best conversions, Performance Max starts on better footing when you apply these from day one.

Audience signals

Use these to tell Performance Max what kind of users you want to show your ads to – but remember, it won’t be those exact people.

For example, uploading your customer list as an audience signal doesn’t mean your ad will show to them (or even to others like them) but as a jumping-off point for its own targeting.


Performance Max will quickly begin targeting broad queries not directly related to your initial targeting intent (based on custom intent audiences, product data feed, and website URL).

While the absence of negative keywords can be frustrating, it’s likely you’ll still capture opportunities you didn’t consider. Performance Max can also analyze custom intent audiences you build from keywords.

Product feed

As always, a strong data feed is critical to success with Shopping campaigns.

Without an optimized product feed, Google won’t know which queries to show your products for.

Throw in a robust feed, and you will capture opportunities you didn’t even consider because of how Performance Max branches off from your initial path.

Bid management

Performance Max uses Smart Bidding to set cost-per-click (CPC) bids, which effectively means that advertisers have two options when it comes to bid strategies:

  • Maximize Conversions with an optional CPA target.
  • Maximize Conversion Value with an optional ROAS target.

For this to work optimally, your account needs a sizable amount of historical data that Google can use to determine what’s worked best in the past.

I typically recommend that newer accounts begin with Search or Standard Shopping to gather data, only switching over to Performance Max after maxing out impression share and building a steady stream of conversions.

Complex auctions and intent matching

Google has a massive store of data on how people behave online.

Smart Bidding analyzes over 70 million signals in near real-time (actually a tenth of a second), but we never get to see what those data points are. A certain amount of trust in the system is required for this to work, but do that, and you’ll get the results you want.

Consider 100 people searching for the same exact query. Not only will each person be in a different part of the buying journey, but their unique histories will influence factors like how quickly they might convert. The system will try to find those people most likely to convert during that search.

For ecommerce, fill those data feeds out with the right information – keywords in titles and descriptions, product categorization, and so on. This will allow you to appear in as many searches as possible, irrespective of whether somebody is “window shopping” or ready to buy.

New customer acquisition and brand exclusions

Performance Max has long since allowed advertisers to target net new revenue by bidding higher for new acquisitions, and it recently began rolling out brand exclusions to better control when your ads show for branded queries.

These features may not be as important for smaller advertisers, but larger brands looking to scale can now tell the system to focus on more valuable opportunities. When used together, these features can significantly alter the speed and profitability of a scaling process.

Thanks to asset group-level reporting rolling out to many accounts, we can use these for segmentation more effectively. When we see that certain product segments – brand, category, individual products – are not getting traction or not performing as well, we exclude them and:

  • Put them in a new Performance Max campaign to force it to spend.
  • Or go back to Standard Shopping.

Think of it as pruning your campaigns for what’s not getting traffic or converting well.

Dig deeper: How to think about brand exclusions for Performance Max

Dynamic Search

Google recently announced the ability to upgrade Dynamic Search campaigns into Performance Max. Remember, the capability has always existed, but you now have a one-click option.

But with Dynamic Search likely to be next on the chopping block and deprecated in the near future – remember, Local and Smart Shopping campaigns already rolled into Performance Max – now is the right time to start testing it through Performance Max.

What sets Performance Max apart from other Google Ads campaigns?

Let’s look at a few characteristics that set Performance Max apart from its more placement-specific counterparts.

Inventory and ad spend

Bidding and budgeting can only be done at a campaign level, which is familiar enough.

Where it gets tricky is that Performance Max doesn’t show you exactly where it spent your money and this ties in closely with reporting capabilities.

But while you’re buying traffic on inventories that may not typically have the quality of Search and Shopping, Performance Max is still only targeting people likely to convert. Additionally, some industries have a very high cost per click, and Performance Max can really decrease overall costs by looking outside that bubble.

Another thing to remember is that Performance Max is front-loaded in terms of expenses. Be sure to factor in the cost of data gathering during the learning period of a new campaign.

If you have a new account, this will take longer than the usual three to six weeks.

But as you build historical data and get better results, subsequent campaigns should exit the learning period faster and bring costs down, allowing you to free up your budget to bid more aggressively or capture more conversions.


Reports in Performance Max can be seen at the campaign and asset group levels, and you can find those right in the Reporting tab inside Google Ads.

But I’ve spoken to several people who don’t ever navigate to where you can build custom reports based on landing page, placements, location, time of day, or products in your data feed. You can also analyze what proportion of your ad spend is data-feed-driven and what is creative-driven.

We’re also big fans of the Insights tab, which Google has revamped (update still rolling out). You used to only be able to look back to 7 and 28 days, but now you can choose any time frame – and download keywords. There’s a lot of good data in there, so don’t neglect it!


You can use third-party scripts to determine where your ads are going. Personally, I tend to shy away from that.

The way I see it, either the campaign is performing or not. When it isn’t, there are levers you can pull to try something different.

With Performance Max, you can’t decide when or where your ad shows up – only nudge and guide the algorithm. You also lose the ability to see more granular keywords, instead getting access to keyword themes.

I think accepting this is fundamental to success with Performance Max.

But while you can’t see your ad placements, there is an account-level placement report with impression data. Unfortunately, this doesn’t give you a breakdown of cost and revenue.

Keep in mind that the goal of all of this is to move to a format similar to Advantage Plus in Facebook, which only surfaces data that you can act on.


Many people think Performance Max is a “set it and forget it” campaign. Not really.

You have control, but it’s very different from what we’ve become accustomed to with other campaigns.

You program the system to do what you used to do yourself so you can focus on the decisions machines can’t make. What that comes down to in Performance Max is:

  • Ad copy
  • Creatives
  • Audience signals
  • Data feeds
  • Bid strategies
  • Budgets
  • Campaign structure

Don’t think of it as taking one step back, but stepping back to see the big picture.


How active do you need to be with Performance Max? Remember: Your goal is to guide the machine, nudge it in the right direction, and ensure it doesn’t veer off course.

Part of that is learning how to tame those compulsive feelings that making changes is the only way to feel involved. Maybe it’s because your clients keep asking why you only made two changes last month.

But with Performance Max, sometimes that’s all you have to do.

Instead, your involvement skews in favor of monitoring and big-picture changes. You set things up, step back and allow the campaign to run. Keep an eye on things while working behind the scenes.

Focus on making sure any first-party data is clean and accurate, that you’re integrated with a CRM (for lead generation), and improving landing page content – things that impact profitability and efficiency.

Performance Max in action: Sample campaign structures

Setting up a Performance Max campaign can be tricky if you don’t know what you’re doing. Here are some examples of how I’ve built campaigns for different types of accounts.


In ecommerce, there are generally two types of advertisers:

Sells own brand

These accounts typically lead with paid social, spending as much as 70-80% of their total advertising budget on platforms like Facebook and TikTok. Google might even be an afterthought.

These are the brands where Performance Max with creative assets tends to work particularly well for the same reasons the brand works on paid social.

Sells multiple brands

For retailers selling hundreds of different brands or thousands of products – we have clients whose catalogs have hundreds of thousands of SKUs – it’s really about showing up at the very bottom of the funnel, so these accounts lead with Google Ads.

We typically shy away from creative assets and focus more on the “Smart Shopping” approach, which makes audience signals and ad copy less significant. Instead, we focus almost entirely on getting the data feed in near-perfect shape.
Performance Max for ecommerce

Lead generation

For lead generation accounts, we typically begin with Search to build up conversion data and volume – two critical components of making Performance Max work.

Once that’s achieved, we move to Performance Max, splitting asset groups by offering and location. This allows the system to target the right people in the right places so that a New Jersey plumber doesn’t get leads from Glasgow.

If your service is offered virtually or globally, you could omit the location split and just go by offering alone.

What’s absolutely vital is that you include some type of spam filter (like a reCAPTCHA) or low-quality leads will plague you.

Ideally, you should also be feeding offline conversions and conversion values back into Google so that it can identify future leads based on data from your complete sales cycle.
Performance Max for lead gen

Verdict: The pros and cons of Performance Max

I’m bullish on Performance Max, but it’s not a perfect campaign.

Here’s what I admire about it and a few things I wish Google would improve.

Pro: It lets you scale beyond intent

Let’s say you’re targeting a market with limited search volume, but you really want to test opportunities beyond that limit.

Performance Max can use its data signals to find people who might not be searching for your bottom-funnel keywords but will become a potential customer based on interest.

Performance Max is a full-funnel campaign, so it will find people it thinks are likely to convert based on all those millions of data signals – and it will then pull them down the customer journey.

This is probably Performance Max’s biggest advantage.

Not having the ability to set bids at the asset group level is a major drawback, and I understand why many PPC folks are frustrated with the obfuscation of search term data.

That said – and this could be a mentality issue – does all the other stuff matter? Shouldn’t we be figuring out how to get the most out of this toolbox instead of how to hack it?

The whole idea of bidding with a ROAS target is that you don’t need to look at negative keywords. If it’s not hitting your target, it shouldn’t get that traffic.

I get that people want to be able to check the system quickly, especially when smaller budgets are at play, but patience goes a long way in seeing Performance Max’s true capabilities.

Con: It can be expensive at the start

Like a rocket ship, Performance Max can take you to places you never imagined – at the cost of a slow and expensive takeoff.

Getting somewhere meaningful can take three to six weeks, and that period can be pricey on the front end.

Google monitors behavior rather than optimizing for conversions, so you’re spending considerably more for far fewer conversions than usual.

It takes clear communication and honest expectation-setting to convince clients and bosses that this is necessary to adapt to the modern avatar of Google Ads.

Pro: It’s a great way to try new campaign types.

For brands that are not ready to go all in on something untested like YouTube, Performance Max is a good way to test how that new media works.

Google claims that performance is better when routed through Performance Max, which it typically is. Their official figure is an average gain of 18%, but your mileage may vary.

Con: It’s not as easy as Google says it is

Performance Max is really not as simple as it seems. And while there will always be a place for PPC managers, it also means that we have to put in the effort to stay on top of things.

To get Performance Max right requires nuance, patience, and persistence. Many marketers will test it and give up after a few weeks because it’s not moving in the right direction.

This is shortsighted but understandable.

Citation: If you would like to find out more about the source of this article – Google Performance Max: Everything you need to know, see here.


PPC Specialist

Mike Raybone is a highly experienced PPC Specialist who helps businesses develop effective marketing strategies. His services are designed to improve a business’s marketing strategy and help them achieve their goals, get in touch today to find out more.