You can now create web hosting plans that let you share features like auto-scale, web tests, backup, and computing capacity across your web sites. Web hosting plans support a few pricing tiers (Free, Shared, Basic, and Standard) where each tier has its own capabilities. Sites in the same subscription and geographic location can share a web hosting plan.
You can choose to have sites share a web hosting plan, or you can dedicate a web hosting plan to an individual site if that site requires dedicated
Learn more about Web Hosting Plans.