In a digital ecosystem where the customer journey is increasingly fragmented, knowing which lever actually generated a sale is a major challenge. Gone are the days when a single click accounted for a conversion.

What is attribution marketing? Attribution marketing is an analytical method that consists of identifying and valuing the various touchpoints a user encounters before making a conversion (purchase, lead, subscription). The aim is to assign a weight or value to each marketing channel to optimize budgets and return on investment (ROI).

What is attribution marketing?

Attribution doesn’t just count sales; it tells the conversion story. It enables advertisers to move away from a siloed vision and adopt a holistic approach to the Customer Journey.

Why are leveraged ratios no longer enough?

Most advertising platforms (Google Ads, Meta Ads, affiliate platforms) naturally attribute the conversion to themselves if the user has interacted with them. Result: if you add up the conversions claimed by each lever, you often end up with a total higher than your actual sales.

Attribution marketing corrects this bias by deduplicating conversions and distributing the value between the channels involved (SEO, SEA, Social, Emailing, Display).

From “Last Click” to “Multi-Touch”: understanding the models

The choice of attribution model determines how you analyze your performance. There is no single perfect model, but rather models adapted to specific objectives.

Single Touch” models: simplicity at the expense of precision

  • Last Click: 100% of the credit goes to the last point of contact.
    • Advantage: simple, standard by default, ideal for closing.
    • Limitation: ignores all the work done upstream to build awareness and consideration.
  • First Click: 100% of the credit goes to the lever that initiated the visit.
    • Use: relevant for pure acquisition and brand awareness strategies.

Multi-Touch” models: a realistic vision of the journey

To refine the analysis, multi-touch models distribute value over several levers:

  • Linear: each contact point receives an equal share of the credit.
  • Time Decay: the closer a contact point is to conversion, the more credit it receives.
  • Position-based (U-Shape): the first and last clicks are given more weight (e.g. 40% each), with the remainder divided between intermediate interactions.

Data-driven attribution

This is the most advanced model, powered by artificial intelligence (notably in GA4). It’s not based on fixed rules, but analyzes your historical data to calculate the real contribution of each interaction.

The new challenges of attribution in 2026

The marketing measurement landscape is changing fast. Attribution today faces two major challenges:

  1. The end of third-party cookies and the RGPD: the scarcity of tracking data requires the use of hybrid measurement methods and “server-side” solutions to maintain visibility.
  2. Cross-device: a user may discover a product on mobile and buy it on desktop. Without robust cross-device attribution, mobile will be undervalued.

How do you choose and deploy your attribution solution?

Depending on your company’s digital maturity, the equipment required will vary.

For simple journeys, standard analytics tools may suffice. However, as soon as the media mix becomes more complex, the adoption of a specialized third-party solution becomes essential to obtain a “Single Source of Truth”.

These tools enable :

  • Integrate offline data (stores, call centers).
  • Weight the results according to actual costs.
  • Analyze synergies between channels.

Market players include solutions such as Eulerian, Google Attribution and Wizaly, which stands out for its algorithmic approach.

Find out how a specialized solution is changing the game in our article on Wizaly, the customer journey analytics solution.

The Effinity approach: beyond measurement

At Effinity, we believe that attribution shouldn’t just be a statement of fact, but a lever for action.

We use this data to adjust our partners’ remuneration. Thanks to a clear view of the contribution, it is possible to value not only the final business contributors, but also the contributors (content sites, influencers) who intervene at the beginning of the process.

This approach is at the heart of our expertise in affiliation for advertiserswhere fair remuneration guarantees long-term partnerships.

In a nutshell

Attribution marketing is essential for :

  1. Understand your customers’ real behavior.
  2. Allocate your marketing budget to the most profitable levers.
  3. Justify your investments to your management.

Don’t wait any longer to audit your current models: an erroneous analysis often leads to costly budgetary decisions.

Last Updated: 4 January 2026Published On: 29 April 2021Categories: Affiliate Advice