Alfresco 3.3 focuses on improving web content management and integration capabilities. It introduces a new web editor for non-technical users to edit website content directly from browsers. It also provides enhanced deployment and formatting options for web content like a new Rendition API. Alfresco 3.3 aims to serve as a content services platform for web applications with features like bulk loading, deployment, and conversion of content for different channels. It also improves the collaboration and document management features of Alfresco Share.