Quality is a key factor to ensuring success of e-government websites. Therefore, a definition for high-quality e-government website is required, as well as, an e-government system’s quality evaluation methodology. This paper identifies quality attributes that are required to assess the quality of an e-government website, which should be considered by developers during the development of e-government applications. The primary goals are identifying, qualifying, categorizing, and ranking these factors, and then defining the interrelations among these quality factors.