Northbeam Review Limitations
This is a deep dive into the limitations of Northbeam Review Limitations.
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By Joris van Huët, Founder & CEOUpdated 2 min read
Northbeam Review Limitations
The Core Issue: Correlation vs. Causality
If a user clicked a Facebook ad and then purchased, the sale is attributed to Facebook. This is a model based on observation, not true impact. The fundamental question remains unanswered: would the user have converted anyway?
This is where marketing attribution models based on correlation fall short. They cannot distinguish between a channel that influences a purchase and one that simply happens to be part of the journey. This is the critical difference between correlation and causality.
The Problem with Traditional Attribution Models
Let's be direct. Traditional attribution models, whether last-click, multi-touch, or even server-side tracking, are flawed. They are good at telling a story, but not necessarily the true story. They are prone to crediting channels that are good at capturing existing intent, rather than creating it. For a scaling Shopify brand in the beauty, fashion, or supplement space, this distinction is the difference between sustainable growth and a plateauing ad spend with diminishing returns.
Multi-Touch Attribution: A More Complicated Illusion
Multi-touch attribution seems more sophisticated, distributing credit across multiple touchpoints. However, the models used (linear, time-decay, U-shaped) are arbitrary. There is no mathematical basis for assuming that each touchpoint deserves equal credit, or that the first and last touchpoints are the most important. It's a more complex way of dividing up the same correlational data, without ever answering the causal question.
Causality Engine reads one file, the Attribution paths export from GA4, and shows what each channel caused next to what last-click gave it. Every channel gets a data-health score from 0 to 100 that grades the read, not the channel, and a next step: raise, cut or hold, or fix tagging first.
For more details on our approach, see our resources page.
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Related Resources
Causality Engine vs. Northbeam: Causal Insight or Advanced Correlation?
10 Triple Whale Alternatives for Shopify Attribution (2026)
Bayesian Vs Frequentist Attribution
Frequently asked questions
How does Causality Engine solve these limitations?
Causality Engine uses causal inference on the GA4 history you already have to estimate what each channel caused. This moves beyond correlation to provide a causal understanding of your marketing performance.Is Causality Engine a replacement for other analytics tools?
The read works on GA4 channel groups, not campaigns or creatives, and it is a one-off read rather than a daily dashboard.
Go deeper: Causal attribution, explained.
Sixty-second versions of these ideas: Causality Engine on YouTube Shorts.
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Terms in this article
- AttributionAttribution identifies user actions that contribute to a desired outcome and assigns value to each. It reveals which marketing touchpoints drive conversions.
- Attribution ModelAn Attribution Model defines how credit for conversions is assigned to marketing touchpoints. It dictates how marketing channels receive credit for sales.
- Causal InferenceCausal inference is the set of methods for estimating how much an outcome changes because of a cause, rather than alongside it. It works by comparing what happened with an estimate of what would have happened without the cause.
- CausalityCausality is the relationship where one event directly causes another, essential for identifying specific actions that drive desired outcomes in marketing.
- CorrelationCorrelation is a statistical measure showing a relationship between variables; it does not imply causation.
- Marketing AttributionMarketing attribution assigns credit to marketing touchpoints that contribute to a conversion or sale. Causal inference enhances attribution models by identifying true cause-effect relationships.
- Multi-Touch AttributionMulti-Touch Attribution assigns credit to multiple marketing touchpoints across the customer journey. It provides a complete view of channel impact on conversions.
- TouchpointTouchpoint is any interaction a customer has with a brand throughout their journey. In marketing attribution, each touchpoint is a data signal to understand marketing impact.