Systems and methods providing users with a rich web experience are disclosed. In one embodiment, a client and at least one server are in communication using a dual communication link. In another embodiment, a markup language based instant messaging application is disclosed. The instant messaging application may include group instant messaging. The instant messaging application may also provide group member persistence and message persistence at the server. In another embodiment, a card based web application is disclosed, where the card information and character may be shared with other users or within a group. The cards may also be configurable by users.