Navigation Space Based Intranet Usability Analysis

Usability is a vital quality factor of electronic environments. Increasing complexity of Web based platforms and mining large data volumes constantly rise demands on effective usability analysis tools. The article presents a novel formalism allowing examination of usability characteristics with the spectrum of metrics. The approach was applied to the usability analysis of a large corporate intranet. Majority of the users were knowledge workers. Important usability features have been revealed. The knowledge workers efficiently utilized only a minor portion of available intranet resources and exhibited strong pattern formation tendency. The frequently repeating browsing patterns were generally easily executable