For best site performance, configure a maximum of 50 sites, 50 stores, and 50 store views for Adobe Commerce on cloud infrastructure projects.
For Adobe Commerce on cloud infrastructure, the best practices apply specifically to the Production environment (and possibly Staging on Pro architecture, subject to resource constraints) which would have more resources than the integration and development environments. For integration (Pro and Starter) and Staging environments (Starter), reduce the number of store views to less than 5 or 10 (subject to technical review).
If your project requires many sites, stores, or store views, you can use the following strategies to improve performance:
Websites and stores are multipliers for catalog data, so having many websites and stores can negatively affect site performance in the following ways: