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3 min readJoris van Huët

Paid Search Refinement Template with Attribution Data

## Stop Burning Money on Paid Search

Quick Answer·3 min read

Paid Search Refinement Template with Attribution Data: ## Stop Burning Money on Paid Search

Read the full article below for detailed insights and actionable strategies.

Stop Burning Money on Paid Search

Your paid search campaigns are a money pit, and it's not your fault. You're refining for the wrong metrics. Cost-per-click (CPC), click-through rate (CTR), and even return on ad spend (ROAS) as calculated by Google Ads are fundamentally misleading. These platforms use last-click attribution, which takes 100% of the credit for a sale, ignoring the complex journey that led the customer to that final click. You're likely pausing high-value, top-of-funnel keywords and over-investing in branded search terms that would have converted anyway.

Causality Engine offers a way out of this refinement trap. We use Bayesian causal inference to model your entire marketing funnel, identifying the true incremental value of each touchpoint. Our platform tells you which keywords and campaigns are actually driving new customers and which are just cannibalizing your organic traffic. This template provides a framework for using this deeper understanding to build a paid search strategy that maximizes profitability.

The Paid Search Refinement Template

This template is designed to be used with the insights generated by Causality Engine. It provides a structured approach to re-evaluating your paid search campaigns based on their true, causally-determined impact.

MetricDescriptionExample Calculation
Google Ads ROAS (Last-Click)The ROAS reported directly by Google Ads.8.0x
Incremental Lift (via Causality Engine)The percentage of conversions that would not have happened without the paid search campaign.40%
Causally-Adjusted ROASGoogle Ads ROAS * Incremental Lift8.0x * 0.40 = 3.2x
Cannibalization RateThe percentage of conversions that were stolen from other channels (e.g., organic search).25%
True ROASCausally-Adjusted ROAS * (1 - Cannibalization Rate)3.2x * (1 - 0.25) = 2.4x

How to Revolutionize Your Paid Search

Integrate Your Ad Accounts: Connect your Google Ads and Microsoft Ads accounts to your Shopify store.

Run a Causality Engine Analysis: Our platform will analyze your historical data to build a causal model of your marketing performance.

Identify Refinement Opportunities: Use the Causality Engine dashboard to identify over- and under-performing campaigns and keywords based on their incremental value.

Reallocate Your Budget: Pause low-impact campaigns and reinvest the savings into high-performing ones. Use the Refinement Queue to see our AI-powered recommendations.

Measure and Iterate: Continuously monitor your performance in Causality Engine and refine your strategy based on the results.

"We cut our paid search spend by 40% and saw a 10% increase in overall revenue. Causality Engine showed us that most of our branded search conversions were from customers who would have bought from us anyway. We reallocated that budget to top-of-funnel campaigns and saw a massive lift in new customer acquisition." - Founder, a 5M EUR Shopify Supplements Brand

Stop letting Google grade its own homework. It's time to adopt a more sophisticated, data-driven approach to paid search refinement.

[CTA] Refine Your Paid Search Now

Internal Links

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What is Causal Inference?

External Link

Marketing Attribution Explained

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Causality Engine vs. Google Analytics 4 Attribution: What GA4 Misses

Google Ads Budget Optimizer for Shopify Stores

Google Ads True ROAS Calculator: Measure Incremental Impact

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Frequently Asked Questions

What is Causality Engine?

Causality Engine is a marketing attribution platform for Shopify brands that uses Bayesian causal inference to measure the true incremental impact of your marketing activities.

How is Causality Engine different from Google Analytics?

Google Analytics primarily uses last-click attribution, which is misleading. Causality Engine uses causal inference to understand the entire customer journey and identify which touchpoints are actually driving growth, not just getting the final click.

What kind of brands is this for?

We specialize in helping direct-to-consumer Shopify brands in the beauty, fashion, and supplement industries, typically with 5M-30M EUR in revenue.

How much does it cost?

We offer a one-time analysis for 9 or a full subscription for 99/month which includes lifetime lookback and an LLM chat interface. You can find more details on our [pricing page](/pricing).

Is it hard to set up?

No. Setup is fast and easy. You can connect your Shopify store and ad accounts in minutes. Our Attribution Implementation Checklist provides a step-by-step guide.

Ad spend wasted.Revenue recovered.