---
title: "Domain parameters"
slug: "domain-parameters"
abstract: "A list of data limitations in Sitecore Search."
---
# Domain parameters

To ensure performance and reliability, every Search domain operates within the following data parameters:

- A limit of 1,000 attributes.
- A limit of 10MB for a single attribute.
- A limit of 10,000 items returned in a Search and Recommendation API response body (per each widget).
- A limit of 50 sources per domain.