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Why Cometly and Google Ads Conversion Tracking Might Differ
Why Cometly and Google Ads Conversion Tracking Might Differ

This article explains the differences between Cometly and Google Ads conversion tracking.

Updated this week

When using Cometly’s Conversion API to track events, it’s common to see differences in the conversion data between Cometly and Google Ads. These differences are due to how each platform processes and reports events.

1. Google Ads Takes Time to Process Conversions

Google Ads can take 12-48 hours to fully process conversions sent through the API. If you’ve recently had conversions, some may not show up right away in Google’s reports.

2. Differences in How Conversions Are Tracked

  • Google Ads reports conversions based on the click time.
    For example, if someone clicks an ad today but registers later, Google logs the conversion at the time of the click.

  • Cometly tracks conversions based on the event time.
    This means Cometly logs the conversion exactly when the user registers.

3. Expect Some Variation in Numbers

Because of these differences in processing time and how each platform logs events, the data will never match exactly. Cometly offers real-time tracking, while Google Ads backdates conversions and may take additional time to reflect them.

What This Means for You

  • Wait up to 48 hours for Google Ads to fully process conversions.

  • Keep in mind that even after processing, small differences are normal due to the platforms’ different tracking methods.

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