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skills/google-ads-performance-max-optimizer/references/detailed-reference.md
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## Performance Max Architecture
### How PMax Works
```
+-------------------------------------------------------------+
| PERFORMANCE MAX CAMPAIGN |
| |
| +----------------------------------------------------------+|
| | GOOGLE AI ENGINE ||
| | +-- Real-time bidding optimization ||
| | +-- Audience discovery & expansion ||
| | +-- Creative assembly & testing ||
| | +-- Cross-channel budget allocation ||
| +----------------------------------------------------------+|
| | |
| v |
| +----------------------------------------------------------+|
| | CHANNELS (Automatic Distribution) ||
| | +-- Search (incl. Shopping) ||
| | +-- YouTube ||
| | +-- Display Network ||
| | +-- Discover ||
| | +-- Gmail ||
| | +-- Maps (local campaigns) ||
| +----------------------------------------------------------+|
| | |
| v |
| +----------------------------------------------------------+|
| | INPUTS (Your Control) ||
| | +-- Assets (images, videos, headlines, descriptions) ||
| | +-- Audience Signals (hints, not targeting) ||
| | +-- Search Themes (2024+ feature) ||
| | +-- Goals (conversions, value) ||
| | +-- Budget & Bid Strategy ||
| +----------------------------------------------------------+|
+-------------------------------------------------------------+
```
### How PMax Works
```
+-------------------------------------------------------------+
| PERFORMANCE MAX CAMPAIGN |
| |
| +----------------------------------------------------------+|
| | GOOGLE AI ENGINE ||
| | +-- Real-time bidding optimization ||
| | +-- Audience discovery & expansion ||
| | +-- Creative assembly & testing ||
| | +-- Cross-channel budget allocation ||
| +----------------------------------------------------------+|
| | |
| v |
| +----------------------------------------------------------+|
| | CHANNELS (Automatic Distribution) ||
| | +-- Search (incl. Shopping) ||
| | +-- YouTube ||
| | +-- Display Network ||
| | +-- Discover ||
| | +-- Gmail ||
| | +-- Maps (local campaigns) ||
| +----------------------------------------------------------+|
| | |
| v |
| +----------------------------------------------------------+|
| | INPUTS (Your Control) ||
| | +-- Assets (images, videos, headlines, descriptions) ||
| | +-- Audience Signals (hints, not targeting) ||
| | +-- Search Themes (2024+ feature) ||
| | +-- Goals (conversions, value) ||
| | +-- Budget & Bid Strategy ||
| +----------------------------------------------------------+|
+-------------------------------------------------------------+
```
## E-commerce PMax Setup
### Step 1: Merchant Center Verification
```
MERCHANT CENTER CHECKLIST
=========================
[ ] Feed Status
+-- All products approved?
+-- No disapprovals or warnings?
+-- Product data quality >90%?
+-- Feed refresh frequency: at least daily
[ ] Product Data Quality
+-- Titles: Keyword-first, max 150 chars
+-- Descriptions: Unique, keyword-rich content
+-- Images: High quality, white background
+-- GTIN/MPN: Correctly filled
+-- Price: Up-to-date, including sale prices
+-- Availability: Real-time sync with inventory
[ ] Free Listings
+-- Free listings active?
+-- Surfaces across Google enabled?
+-- Enhanced listings attributes filled?
```
### Step 2: Campaign Structure
```
RECOMMENDED PMAX STRUCTURE (E-commerce)
========================================
Option A: Product Category Based (Recommended for 50+ products)
---------------------------------------------------------------
Campaign: PMax - All Products
+-- Asset Group 1: Bestsellers
| +-- Listing Group: Top 20 products
| +-- Audience Signal: Past purchasers
| +-- Search Themes: [brand] + [top categories]
|
+-- Asset Group 2: Category A (e.g., Clothing)
| +-- Listing Group: Category = Clothing
| +-- Audience Signal: Fashion interests
| +-- Search Themes: [clothing keywords]
|
+-- Asset Group 3: Category B (e.g., Shoes)
| +-- Listing Group: Category = Shoes
| +-- Audience Signal: Shoe shoppers
| +-- Search Themes: [shoe keywords]
|
+-- Asset Group 4: Sale Items
+-- Listing Group: Custom Label = Sale
+-- Audience Signal: Deal seekers
+-- Search Themes: [category] sale, discount
Option B: Margin/Performance Based (Recommended for profit optimization)
------------------------------------------------------------------------
Campaign 1: PMax - High Margin Products (Custom Label 0 = High Margin)
+-- Bid Strategy: Target ROAS (higher target)
+-- Budget: 60% of total
Campaign 2: PMax - Standard Margin Products
+-- Bid Strategy: Target ROAS (standard target)
+-- Budget: 30% of total
Campaign 3: PMax - Low Margin/Clearance
+-- Bid Strategy: Maximize Conversion Value
+-- Budget: 10% of total
```
### Step 3: Asset Group Setup
```
ASSET REQUIREMENTS (2025/2026)
==============================
HEADLINES (Required: 3-5, Recommended: 5-15)
+-- 30 characters max per headline
+-- Mix of:
| +-- Brand headlines: "[Brand] Official Store"
| +-- Benefit headlines: "Free Shipping Above $50"
| +-- USP headlines: "Handmade in Netherlands"
| +-- Action headlines: "Shop Now - 30% Off"
| +-- Category headlines: "Premium [Category]"
+-- No duplicate headlines
LONG HEADLINES (Required: 1-5)
+-- 90 characters max
+-- More descriptive, storytelling
+-- Including CTA
DESCRIPTIONS (Required: 2-5, Recommended: 4-5)
+-- 90 characters max
+-- First description: Core value prop
+-- Vary with benefits, features, social proof
+-- No repetition of headlines
IMAGES (Required: 3+)
+-- Landscape (1.91:1): 1200x628 min, required
+-- Square (1:1): 1200x1200 min, required
+-- Portrait (4:5): 960x1200 min, recommended
+-- Mix of product shots and lifestyle
+-- Logo: 1200x1200 (square) + 1200x300 (landscape)
VIDEOS (Recommended, not required)
+-- Landscape: 16:9
+-- Square: 1:1
+-- Portrait: 9:16 (for YouTube Shorts/Reels)
+-- Minimum 10 seconds
+-- Google can auto-generate videos from images
```
### Step 2: Campaign Structure
```
RECOMMENDED PMAX STRUCTURE (E-commerce)
========================================
Option A: Product Category Based (Recommended for 50+ products)
---------------------------------------------------------------
Campaign: PMax - All Products
+-- Asset Group 1: Bestsellers
| +-- Listing Group: Top 20 products
| +-- Audience Signal: Past purchasers
| +-- Search Themes: [brand] + [top categories]
|
+-- Asset Group 2: Category A (e.g., Clothing)
| +-- Listing Group: Category = Clothing
| +-- Audience Signal: Fashion interests
| +-- Search Themes: [clothing keywords]
|
+-- Asset Group 3: Category B (e.g., Shoes)
| +-- Listing Group: Category = Shoes
| +-- Audience Signal: Shoe shoppers
| +-- Search Themes: [shoe keywords]
|
+-- Asset Group 4: Sale Items
+-- Listing Group: Custom Label = Sale
+-- Audience Signal: Deal seekers
+-- Search Themes: [category] sale, discount
Option B: Margin/Performance Based (Recommended for profit optimization)
------------------------------------------------------------------------
Campaign 1: PMax - High Margin Products (Custom Label 0 = High Margin)
+-- Bid Strategy: Target ROAS (higher target)
+-- Budget: 60% of total
Campaign 2: PMax - Standard Margin Products
+-- Bid Strategy: Target ROAS (standard target)
+-- Budget: 30% of total
Campaign 3: PMax - Low Margin/Clearance
+-- Bid Strategy: Maximize Conversion Value
+-- Budget: 10% of total
```
### Step 3: Asset Group Setup
```
ASSET REQUIREMENTS (2025/2026)
==============================
HEADLINES (Required: 3-5, Recommended: 5-15)
+-- 30 characters max per headline
+-- Mix of:
| +-- Brand headlines: "[Brand] Official Store"
| +-- Benefit headlines: "Free Shipping Above $50"
| +-- USP headlines: "Handmade in Netherlands"
| +-- Action headlines: "Shop Now - 30% Off"
| +-- Category headlines: "Premium [Category]"
+-- No duplicate headlines
LONG HEADLINES (Required: 1-5)
+-- 90 characters max
+-- More descriptive, storytelling
+-- Including CTA
DESCRIPTIONS (Required: 2-5, Recommended: 4-5)
+-- 90 characters max
+-- First description: Core value prop
+-- Vary with benefits, features, social proof
+-- No repetition of headlines
IMAGES (Required: 3+)
+-- Landscape (1.91:1): 1200x628 min, required
+-- Square (1:1): 1200x1200 min, required
+-- Portrait (4:5): 960x1200 min, recommended
+-- Mix of product shots and lifestyle
+-- Logo: 1200x1200 (square) + 1200x300 (landscape)
VIDEOS (Recommended, not required)
+-- Landscape: 16:9
+-- Square: 1:1
+-- Portrait: 9:16 (for YouTube Shorts/Reels)
+-- Minimum 10 seconds
+-- Google can auto-generate videos from images
```
## Lead Generation PMax
### Lead Gen Specific Setup
```
LEAD GEN PMAX CONFIGURATION
============================
CONVERSION SETUP
+-- Primary: Qualified Lead or SQL
+-- Secondary: Form Submit (MQL)
+-- Offline Imports: Lead -> Opportunity -> Won
+-- Enhanced Conversions: REQUIRED for lead gen
FINAL URL EXPANSION
+-- On: More volume, less control
+-- Off: Strict control, less volume
+-- Recommendation: Start OFF, test ON later
+-- Exclude URLs: Privacy policy, careers, etc.
ASSET GROUP STRUCTURE (Lead Gen):
----------------------------------
Campaign: PMax - Lead Gen
+-- Asset Group 1: Main Service
| +-- Final URL: /services/
| +-- Lead Form: Full form
| +-- Search Themes: service keywords
|
+-- Asset Group 2: Free Consultation
| +-- Final URL: /free-consultation/
| +-- Lead Form: Quick form
| +-- Search Themes: consultation keywords
|
+-- Asset Group 3: Download/Whitepaper
+-- Final URL: /resources/
+-- Lead Form: Email only
+-- Search Themes: informational queries
```
### Lead Quality Optimization
```
IMPROVING LEAD QUALITY
=======================
1. OFFLINE CONVERSION IMPORT
+-- Import lead -> sale conversions
+-- Upload at least weekly
+-- Google optimizes on real value
+-- Setup via Google Ads API or manual upload
2. VALUE-BASED BIDDING
+-- Assign value to leads
+-- SQL = $500, MQL = $50
+-- Closed Won = $5000
+-- PMax optimizes on value
3. FORM OPTIMIZATION
+-- More fields = higher quality, less volume
+-- Add qualification questions
+-- Business email required
+-- Phone number required
4. NEGATIVE AUDIENCES (indirect)
+-- Exclude existing customers
+-- Exclude competitors (via Customer Match)
+-- Exclude employees
```SHA-256: e62ae6d5eaee8daccb91b86041e7c64259801904d2620cfc380b8ff867c0031a