how to win Performance Max in 2026: every attribute, every score, no shortcuts.
The complete checklist of what PMAX actually rewards: required, recommended, and the ones nobody tells you about.
Field notes from Máximo
what we learn, written down.
Practical playbooks on Shopify paid acquisition: Advantage+, Performance Max, AI Discovery visibility, and the boring engineering details that quietly determine whether your ads earn or burn.
ChatGPT Ads Ad
ChatGPT Ads are here, and they're worth testing.
The most interesting new channel in years, and it's cheap to try. How to test it so the result means something, and why it's only half of showing up in ChatGPT.
PMAX & Google %
Google's Automated Discounts and the always-on-sale trap: how perma-promotion is eating your margin.
Automated Discounts is a smarter way to discount than a sitewide sale. But it can only protect margin you haven't already given away.
AI discovery AI
product feeds are the new SEO: structuring catalogs for ChatGPT, Perplexity, and AI Overviews.
when an LLM cites your product, it's pulling from structured data, not your blog post.
Tracking & attribution ≡
the silent killer of Meta match quality: catalog and event ID drift.
Your match quality scores are dropping. Odds are your catalog and your events disagree on what a SKU is.
Subscriptions ∞
subscriptions in PMAX: how to stop attributing recurring revenue to net-new acquisition.
If Recharge or Skio fires recurring orders the same way as initial purchases, your CPA looks better than it is.
Tracking & attribution 7
Safari ITP, three years on: what 7-day attribution actually does to your numbers.
Roughly 30% of your traffic is Safari. Anything you do with third-party cookies has a 7-day half-life.
Tracking & attribution 1°
"first-party tracking" doesn't mean what most apps say it means.
If the cookie is set on a third-party domain and proxies through yours, that's not first-party.
Meta & Advantage+ +
the Advantage+ Shopping readiness checklist: 23 things Meta scores you on.
Advantage+ doesn't just need a catalog; it needs a complete one. Here's every signal Meta uses.
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The playbooks we'd want if we were running paid for a Shopify store. No growth-hacking nonsense, no AI-generated listicles. Unsubscribe in one click.
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