1. A method of hosting a plurality of associated portlets accessible by a user in a web portal having portlet refresh capability, wherein said portlets comprise portlet descriptors, comprising: managing said plurality of associated portlets in a portlet application; assigning a priority description to each portlet using its portlet descriptor, wherein the priority description comprises a priority, which priority is a priority of portlet refresh; invoking a sequence sorter to dynamically identify a refresh order of the associated portlets based on the priority of each of the associated portlets; and invoking a transaction manager to manage refreshing of said portlets in sequence, according to the refresh order.