> ## Documentation Index
> Fetch the complete documentation index at: https://docs.datafold.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Best Practices

> Explore best practices for CI/CD testing in Datafold.

<CardGroup>
  <Card title="Slim Diff" href="/deployment-testing/best-practices/slim-diff" icon="file" horizontal>
    Optimize time and cost by choosing which downstream tables to diff.
  </Card>

  <Card title="Handling Data Drift" href="/deployment-testing/best-practices/handling-data-drift" icon="file" horizontal>
    Learn how to prevent and manage data drift in CI pipelines.
  </Card>
</CardGroup>