Nowadays users are concentrate on the complex task-oriented goal such as e-commerce site, making finances, making educational details. User divides the particular task into the number of small tasks and solves the multiple requests at the same time. The search engine keeps the track of queries depends on searched history. By extracting the user sessions from the log files and also sessions are extracted. Server-side log and client-side log are commonly used on the web. The server-side log is automatically generated according to each user request. Client-side logs will capture accurate, comprehensive usage data for usability analysis. The process includes the method of data cleaning, user identification, threshold selection, user profile generation, session identification. The mining is performed according to the frequency of user visiting each page. According to the generated sessions, the user behavior can be analyzed depending on time spent on each page.