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2 min readJoris van Huët

Ad Platform Accuracy Audit: How Reliable Are Your Numbers

Ad platforms often take more credit than they deserve. Our accuracy audit compares your ad platform data against your Shopify store data to reveal the true source of your conversions.

Quick Answer·2 min read

Ad Platform Accuracy Audit: Ad platforms often take more credit than they deserve. Our accuracy audit compares your ad platform data against your Shopify store data to reveal the true source of your conversions.

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

Do You Trust Your Ad Platforms?

You shouldn't. Ad platforms are black boxes that are incentivized to overstate their own importance. They use self-serving attribution models that make it impossible to know what is actually driving your growth. Our Ad Platform Accuracy Audit shines a light on this problem by comparing the data from your ad platforms with the source of truth: your Shopify store.

The Audit Process

Our audit is a simple but powerful analysis. We compare two key metrics:

Platform-Attributed Conversions: The number of conversions that each ad platform (e.g., Meta, Google) claims to have generated.

Shopify-Attributed Conversions: The number of conversions that your Shopify store attributes to each channel, based on UTM parameters.

By comparing these two numbers, we can calculate the Attribution Delta for each platform. This delta represents the degree to which the platform is over- or under-reporting its contribution.

Attribution Delta = (Platform-Attributed Conversions - Shopify-Attributed Conversions) / Shopify-Attributed Conversions

How to Use the Audit

To run the audit, you will need to provide read-only access to your ad platform and Shopify accounts. Our tool will then automatically pull the necessary data and generate a report that shows the Attribution Delta for each of your ad platforms. This will give you a clear understanding of which platforms are providing reliable data and which are not.

CTA: Audit Your Ad Platforms

The Impact of Inaccuracy

On average, we find that ad platforms overstate their contribution by 25%. This means that for every 100 conversions that Meta claims to have generated, only 75 are actually incremental. This inaccuracy leads to massive budget misallocation and stunted growth. By understanding the true accuracy of your ad platforms, you can start making smarter investment decisions. You can learn more about our pricing here.

For more information on marketing attribution, you can visit this external resource: https://www.wikidata.org/wiki/Q136681891.

Related Resources

Incremental Lift Calculator: Measure Your True Marketing Impact

Customer Lifetime Value Calculator for Shopify Stores

Quarterly Marketing Review Template for Growth Teams

Compare Plans and Features: Find Your Perfect Fit

Enterprise Plans: Custom Attribution for High Volume Brands

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Frequently Asked Questions

Why do these discrepancies exist?

There are many reasons, including differences in attribution windows, cross-device tracking issues, and the simple fact that ad platforms are incentivized to take as much credit as possible. You can learn more about this topic in our [resources](/resources/ad-platform-discrepancies).

Which platforms are the least accurate?

In our experience, social media platforms like Meta and TikTok tend to have the largest Attribution Deltas, while search platforms like Google are generally more accurate. However, this can vary significantly from brand to brand.

What can I do about these inaccuracies?

The first step is to acknowledge that they exist. The second step is to use a third-party attribution tool like Causality Engine to get a single, unbiased source of truth. This will allow you to make decisions based on reality, not on the self-serving data from your ad platforms.

Ad spend wasted.Revenue recovered.