ABSTRACT
Due to advancement in technology there is huge rise in structured as well as unstructured data which is growing at a very high pace. There is a great increase in users accessing web and all are sharing and posting data on web due to which the volume of data is increasing and making it complex to extract important information. In currant scenario there is certain need of extraction of potentially useful and valuable information from very large data available on web. This is done by the process of web mining. In this paper we have done the comparison and described the three categories of web mining will helpful in accessing the data from web in efficient way. Further, important parameters in web logs that are used in web usage mining have been described.
