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finsilabs/google-ads-ecommerce

Name: google-ads-ecommerce
Author: finsilabs

skills/marketing-growth/google-ads-ecommerce/SKILL.md

npx skillsauth add finsilabs/awesome-ecommerce-skills google-ads-ecommerce

Clean

TrivyContainer and dependency vulnerability scanner

Clean

SemgrepStatic code analysis for vulnerabilities

Clean

mcp-scan (Snyk)Model Context Protocol security validation

Skipped

Snyk (dep)Open source security scanning

Skipped

Socket.devSupply chain security analysis

Skipped

VirusTotalMulti-engine malware detection

Skipped

CrowdStrikeAdvanced threat intelligence

Skipped

OSV-ScannerOpen Source Vulnerability database check

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OWASP Dep-Check

Google Ads Ecommerce

Overview

Google Ads captures high-intent buyers at the bottom of the funnel through Shopping ads and Search. A well-structured account combines Performance Max (PMax) for automated coverage and conversion tracking via Google Tag. Reliable conversion tracking is the foundation everything else depends on — before optimizing campaigns, ensure your purchase conversion tag is firing correctly.

When to Use This Skill

When launching a new Google Ads account for an ecommerce store
When conversion tracking is broken or under-reporting (common after iOS/browser changes)
When implementing Enhanced Conversions to recover lost signal
When setting up Google Merchant Center for the first time
When migrating from Standard Shopping to Performance Max campaigns
When diagnosing why Smart Bidding is not spending the budget efficiently

Core Instructions

Step 1: Connect your store to Google

Every platform has a native Google integration — start here before touching the Google Ads interface.

Shopify

Go to Shopify Admin → Sales Channels → Google and install the Google & YouTube channel app
Connect your Google Ads account and Google Merchant Center account
Shopify automatically creates the Google product feed and syncs inventory in real time
Go to Google & YouTube → Overview → Conversion Tracking and verify the purchase conversion tag is connected
This channel handles the Google Tag installation, product feed, and basic conversion tracking automatically — no manual tag setup required for most stores

For Enhanced Conversions (recovers signal lost to cookie restrictions):

In your Google Ads account, go to Goals → Conversions → Settings → Enhanced Conversions
Enable Enhanced Conversions for Web
In Shopify, the Google channel app sends hashed customer email alongside purchase events automatically

WooCommerce

Install the Google Listings & Ads plugin (free, official Google plugin) from the WordPress plugin directory
Go to WooCommerce → Google Listings & Ads and connect your Google account
The plugin automatically creates a product feed for Google Merchant Center and installs conversion tracking
For Enhanced Conversions: install Google Tag Manager plugin and configure EC through GTM (see Custom/Headless section for GTM setup)

Alternative: install WooCommerce Google Analytics plugin and manually add the purchase conversion event tag.

BigCommerce

Go to BigCommerce Admin → Channel Manager → Google Shopping
Connect your Google Merchant Center account — BigCommerce automatically generates the product feed
For conversion tracking: go to BigCommerce → Advanced Settings → Google Analytics and add your Google Tag (gtag.js) ID
Or install the Google Tag Manager app from the BigCommerce App Marketplace and configure conversion tracking in GTM

Custom / Headless

Add Google Tag (gtag.js) to every page and fire the purchase conversion on the confirmation page:

<!-- In <head> — replace AW-CONVERSION_ID with your account ID -->
<script async src="https://www.googletagmanager.com/gtag/js?id=AW-CONVERSION_ID"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){ dataLayer.push(arguments); }
  gtag('js', new Date());
  gtag('config', 'AW-CONVERSION_ID');
</script>

On the order confirmation page, fire the purchase conversion:

// Include user_data BEFORE the conversion event for Enhanced Conversions
gtag('set', 'user_data', {
  email: order.customerEmail,      // Google hashes client-side
  phone: order.customerPhone,
  address: {
    first_name: order.customerFirstName,
    last_name: order.customerLastName,
    postal_code: order.shippingAddress.zip,
    country: order.shippingAddress.countryCode,
  },
});

gtag('event', 'conversion', {
  send_to: 'AW-CONVERSION_ID/CONVERSION_LABEL',
  value: order.subtotal,
  currency: order.currencyCode,
  transaction_id: order.id,       // prevents duplicate counting
  new_customer: order.isFirstOrder,
});

For maximum signal reliability, deploy a server-side Google Tag Manager container — this bypasses browser ITP/cookie restrictions. Contact Google or a certified GTM partner to deploy sGTM.

Step 2: Set up Google Merchant Center

Create a Merchant Center account at merchants.google.com
Verify and claim your domain under Business Information → Website
If using Shopify or WooCommerce with the official plugins, the product feed is already connected — go to Products → Feeds to verify the sync is active
For custom/headless stores, see @google-shopping-feed for feed generation
Check Products → Diagnostics for disapproved products and fix issues before launching campaigns

Step 3: Create a Performance Max campaign

In Google Ads (ads.google.com):

Go to Campaigns → New Campaign → Sales
Select Performance Max as the campaign type
Set budget: minimum $50/day to start; the algorithm needs data
Set a conservative Target ROAS to start: if you need 4x ROAS, set 300% initially and increase after 2 weeks of data
Create asset groups organized by product category:

Asset Group 1: Bestsellers
  Final URL: /collections/bestsellers
  Headlines (15): focus on social proof — "Top Rated", "5-Star Reviews", "#1 Bestseller"
  Images: product lifestyle shots + white-background product images (both required)
  Videos: 15s and 30s product demos (upload at least one)
  Audience signals: Past purchasers (upload customer list), Product viewers (7-day list)

Asset Group 2: New Arrivals
  Final URL: /collections/new
  Headlines: "Just Dropped", "New for [Season]", "Shop the Latest"
  Audience signals: Instagram engagers, fashion/lifestyle interest segments

Asset Group 3: Sale / Clearance
  Final URL: /collections/sale
  Headlines: "Up to 50% Off", "Final Sale", "Limited Time"

Under Audience Signals, upload your customer email list (from Klaviyo or Shopify) to create a seed audience for lookalike targeting

Step 4: Configure Smart Bidding correctly

Smart Bidding requires conversion data to optimize. Do not set ROAS targets until you have 30+ conversions in the last 30 days.

Ramping schedule:

Week 1: Set to "Maximize Conversion Value" (no ROAS target) — let the algorithm learn
Week 2: Review actual ROAS. If it is above your target, set a ROAS target at 80% of actual
Week 4+: Gradually increase ROAS target by 10% every week until you find the efficiency-volume balance

Conversion Value Rules — set these to bias the algorithm toward new customers:

In Google Ads, go to Goals → Conversions → Conversion Value Rules
Add a rule: "New customer" → Multiply conversion value by 1.3
This trains the algorithm to prefer acquiring new customers over retargeting existing ones

Step 5: Monitor and optimize weekly

| Metric | Action if off target | |--------|---------------------| | Impression Share lost to budget | Increase daily budget | | Impression Share lost to rank | Improve product feed quality (titles, images); increase ROAS ceiling | | PMax spending on branded queries | Add brand terms as campaign-level negative keywords | | Low conversion rate on Shopping | Check that landing page price matches feed price exactly; fix product page CRO |

In Google Ads: Reports → Predefined Reports → Shopping → Shopping performance by product — identifies which specific products have the highest ROAS and which are wasting budget.

Best Practices

Use transaction_id on every purchase conversion — prevents duplicate conversion counting from page refreshes
Enable Enhanced Conversions before launching Smart Bidding — the algorithm needs quality signal; missing data causes erratic spend
Check feed quality in Merchant Center Diagnostics weekly — feed quality is the #1 Shopping ranking factor; missing GTINs and poor titles hurt impression share
Exclude branded queries from PMax — add brand terms as negative keywords at the campaign level so you are not paying for branded searches that would convert anyway
Provide all available product images — products with 3+ images get higher quality scores and better ad placement
Set campaign budgets at 3–5x your target CPA initially — underfunded campaigns prevent the algorithm from accumulating the data it needs to optimize

Common Pitfalls

| Problem | Solution | |---------|----------| | Double-counting conversions | Add transaction_id to the conversion tag and enable "Deduplicate conversions" in Google Ads conversion settings | | PMax spending all budget on branded queries | Add brand terms as campaign-level negatives or run a separate branded Search campaign at higher priority | | GMC feed disapproved | Check Merchant Center Diagnostics; most common: missing GTIN, price mismatch with website, broken image links | | Smart Bidding enters "limited" status | Ensure 30+ conversions in the last 30 days; temporarily switch to Maximize Conversion Value to accumulate data | | Enhanced Conversions match rate under 30% | Send email in lowercase trimmed format; include phone and address for higher match probability |

Related Skills

@google-shopping-feed
@meta-ads-integration
@marketing-attribution-dashboard
@ecommerce-seo
@conversion-rate-optimization

finsilabs/google-ads-ecommerce

skills/marketing-growth/google-ads-ecommerce/SKILL.md

Build and optimize Google Ads campaigns for ecommerce with Performance Max, Shopping feeds, conversion tracking, and Smart Bidding strategies for ROAS

11 stars

development

Updated Apr 4, 2026

$ install --global

skillsauth

npx skillsauth add finsilabs/awesome-ecommerce-skills google-ads-ecommerce

Install this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.

Security Scan Results

3 of 9 scanners reported clean

Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.

Scanners Passed

Scanners in report

Clean

TrivyContainer and dependency vulnerability scanner

95%

Clean

SemgrepStatic code analysis for vulnerabilities

95%

Clean

mcp-scan (Snyk)Model Context Protocol security validation

95%

Skipped

Snyk (dep)Open source security scanning

50%

Skipped

Socket.devSupply chain security analysis

50%

Skipped

VirusTotalMulti-engine malware detection

50%

Skipped

CrowdStrikeAdvanced threat intelligence

50%

Skipped

OSV-ScannerOpen Source Vulnerability database check

50%

Skipped

OWASP Dep-Check

50%

Last scanned: Apr 4, 2026, 10:03 PM93.6s8 files scanned

SKILL.md

name:: google-ads-ecommerce
description:: Build and optimize Google Ads campaigns for ecommerce with Performance Max, Shopping feeds, conversion tracking, and Smart Bidding strategies for ROAS
category:: marketing-growth
risk:: safe
source:: curated
date_added:: 2026-03-12
tags:: [google-ads, pmax, shopping, sem, ppc, conversion-tracking, roas, smart-bidding]
triggers:: ["set up Google Ads", "create shopping campaign", "implement conversion tracking", "performance max", "google shopping ads", "google ads for ecommerce"]
tools:: [claude-code, cursor, gemini-cli, copilot, codex-cli]
platforms:: [shopify, woocommerce, bigcommerce, custom]
difficulty:: advanced

Google Ads Ecommerce

Overview

When to Use This Skill

When launching a new Google Ads account for an ecommerce store
When conversion tracking is broken or under-reporting (common after iOS/browser changes)
When implementing Enhanced Conversions to recover lost signal
When setting up Google Merchant Center for the first time
When migrating from Standard Shopping to Performance Max campaigns
When diagnosing why Smart Bidding is not spending the budget efficiently

Core Instructions

Step 1: Connect your store to Google

Every platform has a native Google integration — start here before touching the Google Ads interface.

Shopify

Go to Shopify Admin → Sales Channels → Google and install the Google & YouTube channel app
Connect your Google Ads account and Google Merchant Center account
Shopify automatically creates the Google product feed and syncs inventory in real time
Go to Google & YouTube → Overview → Conversion Tracking and verify the purchase conversion tag is connected
This channel handles the Google Tag installation, product feed, and basic conversion tracking automatically — no manual tag setup required for most stores

For Enhanced Conversions (recovers signal lost to cookie restrictions):

In your Google Ads account, go to Goals → Conversions → Settings → Enhanced Conversions
Enable Enhanced Conversions for Web
In Shopify, the Google channel app sends hashed customer email alongside purchase events automatically

WooCommerce

Install the Google Listings & Ads plugin (free, official Google plugin) from the WordPress plugin directory
Go to WooCommerce → Google Listings & Ads and connect your Google account
The plugin automatically creates a product feed for Google Merchant Center and installs conversion tracking
For Enhanced Conversions: install Google Tag Manager plugin and configure EC through GTM (see Custom/Headless section for GTM setup)

Alternative: install WooCommerce Google Analytics plugin and manually add the purchase conversion event tag.

BigCommerce

Go to BigCommerce Admin → Channel Manager → Google Shopping
Connect your Google Merchant Center account — BigCommerce automatically generates the product feed
For conversion tracking: go to BigCommerce → Advanced Settings → Google Analytics and add your Google Tag (gtag.js) ID
Or install the Google Tag Manager app from the BigCommerce App Marketplace and configure conversion tracking in GTM

Custom / Headless

Add Google Tag (gtag.js) to every page and fire the purchase conversion on the confirmation page:

<!-- In <head> — replace AW-CONVERSION_ID with your account ID -->
<script async src="https://www.googletagmanager.com/gtag/js?id=AW-CONVERSION_ID"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){ dataLayer.push(arguments); }
  gtag('js', new Date());
  gtag('config', 'AW-CONVERSION_ID');
</script>

On the order confirmation page, fire the purchase conversion:

// Include user_data BEFORE the conversion event for Enhanced Conversions
gtag('set', 'user_data', {
  email: order.customerEmail,      // Google hashes client-side
  phone: order.customerPhone,
  address: {
    first_name: order.customerFirstName,
    last_name: order.customerLastName,
    postal_code: order.shippingAddress.zip,
    country: order.shippingAddress.countryCode,
  },
});

gtag('event', 'conversion', {
  send_to: 'AW-CONVERSION_ID/CONVERSION_LABEL',
  value: order.subtotal,
  currency: order.currencyCode,
  transaction_id: order.id,       // prevents duplicate counting
  new_customer: order.isFirstOrder,
});

For maximum signal reliability, deploy a server-side Google Tag Manager container — this bypasses browser ITP/cookie restrictions. Contact Google or a certified GTM partner to deploy sGTM.

Step 2: Set up Google Merchant Center

Create a Merchant Center account at merchants.google.com
Verify and claim your domain under Business Information → Website
If using Shopify or WooCommerce with the official plugins, the product feed is already connected — go to Products → Feeds to verify the sync is active
For custom/headless stores, see @google-shopping-feed for feed generation
Check Products → Diagnostics for disapproved products and fix issues before launching campaigns

Step 3: Create a Performance Max campaign

In Google Ads (ads.google.com):

Go to Campaigns → New Campaign → Sales
Select Performance Max as the campaign type
Set budget: minimum $50/day to start; the algorithm needs data
Set a conservative Target ROAS to start: if you need 4x ROAS, set 300% initially and increase after 2 weeks of data
Create asset groups organized by product category:

Asset Group 1: Bestsellers
  Final URL: /collections/bestsellers
  Headlines (15): focus on social proof — "Top Rated", "5-Star Reviews", "#1 Bestseller"
  Images: product lifestyle shots + white-background product images (both required)
  Videos: 15s and 30s product demos (upload at least one)
  Audience signals: Past purchasers (upload customer list), Product viewers (7-day list)

Asset Group 2: New Arrivals
  Final URL: /collections/new
  Headlines: "Just Dropped", "New for [Season]", "Shop the Latest"
  Audience signals: Instagram engagers, fashion/lifestyle interest segments

Asset Group 3: Sale / Clearance
  Final URL: /collections/sale
  Headlines: "Up to 50% Off", "Final Sale", "Limited Time"

Under Audience Signals, upload your customer email list (from Klaviyo or Shopify) to create a seed audience for lookalike targeting

Step 4: Configure Smart Bidding correctly

Smart Bidding requires conversion data to optimize. Do not set ROAS targets until you have 30+ conversions in the last 30 days.

Ramping schedule:

Week 1: Set to "Maximize Conversion Value" (no ROAS target) — let the algorithm learn
Week 2: Review actual ROAS. If it is above your target, set a ROAS target at 80% of actual
Week 4+: Gradually increase ROAS target by 10% every week until you find the efficiency-volume balance

Conversion Value Rules — set these to bias the algorithm toward new customers:

In Google Ads, go to Goals → Conversions → Conversion Value Rules
Add a rule: "New customer" → Multiply conversion value by 1.3
This trains the algorithm to prefer acquiring new customers over retargeting existing ones

Step 5: Monitor and optimize weekly

In Google Ads: Reports → Predefined Reports → Shopping → Shopping performance by product — identifies which specific products have the highest ROAS and which are wasting budget.

Best Practices

Use transaction_id on every purchase conversion — prevents duplicate conversion counting from page refreshes
Enable Enhanced Conversions before launching Smart Bidding — the algorithm needs quality signal; missing data causes erratic spend
Check feed quality in Merchant Center Diagnostics weekly — feed quality is the #1 Shopping ranking factor; missing GTINs and poor titles hurt impression share
Exclude branded queries from PMax — add brand terms as negative keywords at the campaign level so you are not paying for branded searches that would convert anyway
Provide all available product images — products with 3+ images get higher quality scores and better ad placement
Set campaign budgets at 3–5x your target CPA initially — underfunded campaigns prevent the algorithm from accumulating the data it needs to optimize

Common Pitfalls

Related Skills

@google-shopping-feed
@meta-ads-integration
@marketing-attribution-dashboard
@ecommerce-seo
@conversion-rate-optimization

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Download

For Claude Desktop. Download once, then upload the file in the app — no terminal needed.

Need help? View full Cowork setup guide →

Install manually

Choose your platform

# Clone the repo
git clone https://github.com/finsilabs/awesome-ecommerce-skills.git

# Copy into Claude Code skills folder (global)
cp -r awesome-ecommerce-skills/skills/marketing-growth/google-ads-ecommerce ~/.claude/skills/

Claude Code Skills — official skills path docs.

Repository

finsilabs/awesome-ecommerce-skills

11 stars

Compatible with

Claude Code

OpenAI Codex CLI

ChatGPT