Performance Max is not a keyword tool.
It is a creative, data, and distribution system.
If you treat it like a search campaign with automation on top, it will almost always disappoint. If you feed it strong assets, clear messaging, and clean conversion data, it becomes one of the most powerful remarketing and growth tools inside Google Ads.
This guide covers the strategy, creative and ongoing optimisation of Performance Max. If you are preparing a new campaign, use the Performance Max pre-launch checklist to verify the setup before you publish.
Key takeaways
- Performance Max works best when fed strong images, videos and copy, clean conversion tracking and, for ecommerce, an optimised Merchant Center feed, rather than being treated like a keyword campaign.
- Performance Max advertisers should supply multiple square, landscape and portrait images plus short videos, because Google’s auto-generated assets are a fallback, not a strategy.
- Performance Max is a strong remarketing engine, able to re-engage site visitors across YouTube, Display, Gmail, Discover and Search, but only when tracking is accurate.
- Pairing Performance Max with a strong Search campaign helps, because Search shows which searches and users convert and Performance Max uses that data to scale.
- Performance Max needs stable budgets, clean tracking and time to learn, because constant changes reset learning and hurt performance.
Your Images and Videos Matter More Than Anything Else
Performance Max is visual first.
Before Google decides where to show your ads, it decides what to show.
That comes from:
- Images
- Video
- Headlines
- Descriptions
- Product feeds
If your assets are weak, Performance Max has nothing good to distribute.
You should provide:
- Multiple square, landscape, and portrait images
- Clear branding
- Product or service in use
- Real people where possible
- Short videos, even simple ones
Do not rely on Google’s auto generated assets. They are a fallback, not a strategy.
Better creative leads to better placements, higher engagement, and better performance.
How Your Ads Are Written Still Matters
Even though Performance Max automates where ads appear, it still uses your copy.
Your headlines and descriptions appear across:
- Search
- Display
- YouTube
- Gmail
- Discover
You should write:
- Benefit-led headlines
- Specific messaging
- Clear calls to action
- Variations that speak to different intent
Generic copy produces generic results.
Understand What Performance Max Really Does
Performance Max runs your ads across:
- Search
- YouTube
- Display
- Discover
- Gmail
- Shopping
Google decides where to show ads based on which users are most likely to convert.
You do not tell it where to run.
You tell it what success looks like.
Everything else is driven by data and creative.
Conversion Tracking Is the Engine
Performance Max learns from your conversion data.
You should track:
- Real form submissions
- Calls
- Purchases
- Bookings
- Qualified actions
It is also worth tracking these as secondary conversions:
- Secondary conversions
- Funnel steps
- Engagement events
These do not change what Performance Max bids towards. It optimises to your primary conversion goal, so make sure that goal is the real lead or sale. The secondary actions are there for reporting, so you can see who is interested, who is close and who buys.
Good tracking turns Performance Max into a powerful remarketing and audience building system.
Performance Max Is an Incredible Remarketing Engine
This is where it really shines.
Performance Max can:
- Follow visitors across YouTube
- Reappear on Display
- Show in Gmail
- Show in Discover
- Re-engage in Search
Anyone who visits your site, views a product, or starts a form can be brought back across the entire Google ecosystem.
This only works when your tracking is accurate.
Feed Quality Is Critical for Shopping Performance Max
If you are running Performance Max with Merchant Center, your feed becomes the centre of the campaign.
That includes:
- Product titles
- Descriptions
- Images
- Categories
- Pricing
- Availability
Your ads are only as good as your feed.
Improving Merchant Center is often the fastest way to improve ecommerce Performance Max.
Pair It With a Strong Search Campaign
Search campaigns teach Google what good looks like.
They show:
- Which searches convert
- Which users buy
Performance Max uses that data to find more people like them across all Google networks.
Search feeds.
Performance Max scales.
Give It Time and Stability
Performance Max needs:
- Stable budgets
- Clean tracking
- Time to learn
Constant changes reset learning and hurt performance.
Related guides: Performance Max pre-launch checklist and Is Google Ads AI Max Any Good? An Honest Take From PPC Experience.
Final Thought
Performance Max is not about automation.
It is about creative, data, and remarketing working together.
When your imagery and video are strong, your tracking is clean, your Merchant Center feed is optimised, and your Search campaigns are feeding good signals, Performance Max becomes one of the most effective growth tools in Google Ads.
If you want help setting up Performance Max properly with strong creative, tracking, and feed optimisation, speak to me about a results-led PPC and performance setup. I’m a Hampshire PPC consultant.
Need help with your Google Ads?
If you’d like a second opinion or help working through this, send me an enquiry with a little context. I’ll reply by email first and let you know whether I can help. You can also choose Google Ads review / audit on the form to request a free account review.