# How are people building a impression and conversion tracking system?

**URL:** <https://discourse.getdbt.com/t/how-are-people-building-a-impression-and-conversion-tracking-system/12521>\
**Category:** In-Depth Discussions\
**Tags:** best-practice\
**Created:** [March 18, 2024, 5:39pm UTC](https://discourse.getdbt.com/t/how-are-people-building-a-impression-and-conversion-tracking-system/12521 "2024-03-18T17:39:34Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![janny55](https://sea2.discourse-cdn.com/flex020/user_avatar/discourse.getdbt.com/janny55/32/4107_2.png) [@janny55](https://discourse.getdbt.com/u/janny55)\
**Post date:** [June 12, 2024, 6:56am UTC](https://discourse.getdbt.com/t/how-are-people-building-a-impression-and-conversion-tracking-system/12521/2 "2024-06-12T06:56:35Z")

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Hello there

I think first you should efficiently handle the delayed conversions in your model building process through dbt and bigquery.  
and then divide your data according to your requirements.  
I think you should divide your data into 15 days or 7 days.

For more information read this [How to make good sense of how to connect to and reference dbt sources, for example referencing 'dbt-tutorial' following dbt BigQuery set up guidelines?](https://discourse.getdbt.com/t/how-to-make-good-sense-of-how-to-connect-to-and-reference-dbt-sources-for-example-referencing-dbt-tutorial-following-dbt-bigquery-set-up-guidelines/7625)

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