PMax Optimisation Insights

A step-by-step guide to enabling item-level purchase tracking and cost of goods sold in Google Ads for Shopify stores using the Simprosys feed management app — unlocking POAS and product-level ROAS reporting.

ROAS can lie to you. A 6x ROAS product might be losing you money. POAS — Profit on Ad Spend — is the metric that tells the truth. Here's why it matters and how DukesMatrix uses it.

One of the most misunderstood parts of Google Ads. Here's exactly what the learning period is, what triggers it, how long it lasts, and how to manage campaigns without constantly resetting signals.

Your PMax campaign is tanking. Before you pause it and start over, work through this diagnostic checklist — most failures have a fixable root cause.

Forget 47-attribute audits. These are the 12 specific feed changes that consistently drive measurable improvements in Shopping and PMax performance.

ROAS is a ratio — it tells you nothing about profit. Here's why high ROAS can mask a collapsing margin, and how to shift your optimisation toward contribution margin.

Asset Groups are the only structural lever inside Performance Max. Most advertisers set them up once and forget them. Here's how to structure them to actually control performance.

Google PMax spreads budget across your entire catalogue agnostically. Here's why that's silently killing your ROAS — and how product segmentation fixes it.

Your product feed is the foundation of every Shopping and PMax campaign. This comprehensive checklist covers the 47 attributes, quality signals, and optimization tactics that separate high-performing feeds from wasted ad spend.

Google is pushing advertisers toward simpler campaign structures, but what does this actually mean for your PMax and Shopping campaigns? Here's the practitioner's guide to streamlining without losing control.

Google's new Universal Commerce Protocol enables AI agents to shop on behalf of customers. Here's what this means for your PMax campaigns, product feeds, and checkout flow — and how to prepare.

Learn how to structure your PMax campaigns for maximum efficiency and ROAS. Covers asset groups, audience signals, budget allocation, and when to use single vs. multiple campaigns.

Discover how DukesMatrix segments products into Cash Cows, Contenders, Stars, Dogs, and Zombies for smarter Google Ads optimisation.

Finally, Google gave PMax advertisers more control. Learn how to use Search Themes to guide intent and account-level negatives to block wasted spend — with practical implementation steps.

Demystify PMax asset groups with data-driven recommendations on structure, segmentation, and when to consolidate vs. split.