# Review worker output

Once your campaign is live, monitoring its progress is essential to ensure effective product optimizations. The **Worker Output** tab provides valuable insights into how your campaign is performing, helping you track changes, review optimizations, and manage credit usage with ease.

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Here’s what you’ll find in the **Worker Output** section:

* **Optimized Products:** View the total number of optimized products and see which specific items were targeted in the campaign.
* **Change Overview:** Get a detailed breakdown of all modifications, with a before-and-after comparison to highlight improvements.
* **Credit Usage:** Monitor the number of credits used per optimization for full transparency in resource allocation.
* **Pre-Optimization Analysis:** Review insights and recommendations generated before optimizations, giving you a clear understanding of the rationale behind each change.
* **Product Review:** Before finalizing updates in Shopify, you can manually review the optimized products to ensure they meet your expectations.

This streamlined process gives you **full control** over your campaign’s results, allowing you to make informed decisions and refine your optimizations as needed.