In this paper , the conception of usability , main methods of web usability engineering , the requirement of using visualization techniques in web usability study and the visualization techniques on web analysis are briefly introduced 本文首先简单介绍了可用性概念和网站可用性工程的主要方法，阐述了在网站可用性分析中运用可视化技术的必要性，概述了面向网站分析的可视化技术。
Focus on the question , we conduct some experimental research on the visualization techniques of web usability analysis , design and develop an assistant tool for usability analysis - suat ( site usability analysis tool ) 针对这一问题，我们在面向网站可用性分析的可视化技术方面进行了试验性研究，设计开发了一个面向网站可用性分析的可视化辅助工具? ? suat ( siteusabilityanalysistool ) 。
