Rollback: If a new deployment causes issues, you can easily swap the slots back to the previous version, quickly rolling back changes.A/B Testing: You can create multiple slots to test different versions of your application with a portion of your user base, allowing you to gather feedback and make informed decisions.When you're ready to release a new version, you can swap the slots, making the staging slot the new production slot. Blue-Green Deployments: You can set up a production slot and a staging slot.
This allows you to validate changes before making them live. Stage deployments are extremely useful for various scenarios, such as:
Azure App Service Deployment Slots are a feature of Azure App Service that allow you to create multiple deployment environments for your web applications, your can refer this Set up staging environments - Azure App Service | Microsoft Learn documentation to learn the objects that can be cloned and the objects that cannot be cloned between the environments.