1. A method comprising: hosting, at a data center, a site collection group that includes a plurality of site collections, wherein at least one of the site collections within the site collection group includes a plurality of websites; providing a site collection group management interface that enables a first entity to manage architectural aspects of the site collection group, and providing a site collection management interface that enables a second entity to manage a first site collection, wherein the first site collection is one of the site collections within the site collection group.