To run a website, you must clearly know the visitors and traffics relevant data (including visitor's stay time, location, operating system, web browser, browsed web pages, screen dimension, device type, etc.) of your site by analyzing the log file on your web server, in order to distinctly grasp the future development direction of Internet and your website. Instead of wasting time on manually going through the numerous traffic patterns and logs, you can use Sawmill to achieve this challenging job in a faster way with better results.