AdTech Europe

Setting up conversion tracking

Without conversion tracking, campaigns can be optimized for clicks but not for outcomes — and AI Optimization has nothing to work with.

The quick way: one-click tracking

Conversion tracking can be set up in one click. Click IDs are added automatically, each order is counted once, and a conversion health check warns you when something stops reporting.

  • Shopify and WooCommerce stores use a plugin — no developer needed.
  • Other sites need one line of code.
  • Google Tag Manager users can set it up in one click from GTM.

Other supported methods

  • Server-to-server (S2S) postback — the most reliable for performance setups. Your system calls our postback URL when a conversion happens.
  • Tracking pixel — fired from the conversion page.
  • Third-party trackers — see Third-party tracker integrations.

How S2S works

  1. Pass {CLICK_ID} in your click URL, so your tracker receives it.
  2. Store it against the visit.
  3. When the visitor converts, call our postback URL with that click ID.
  4. The conversion is attributed to the click, and to the placement it came from.

The single most common failure is {CLICK_ID} not being passed in step 1. Without it, there is nothing to attribute a conversion to, and the postback silently does nothing. If conversions read zero while clicks look healthy, check this first.

Naming conversion events lets you report cost per specific event — see Reports and analytics.

Across every channel: the Tracking & Attribution add-on credits each sale to the campaign and placement that earned it and sends conversions back to every connected ad channel.

Related: Tracking macros · Conversions aren't being recorded

Nov 13, 2026

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