An access log is a comprehensive list of all the files that were accessed by the visitors of a certain Internet site. Every file which was requested for some reason shall be listed, so if you have just one page with three embedded graphics, one video and one embedded text file, as an example, the access log will contain a total of six entries - one for any of the six files that were accessed when the website visitor opened the webpage. A log normally shows the file name and path, the date, along with the visitor’s OS, worldwide web browser and IP address. Oftentimes you could also find the referrer websites that sent the visitors to your website. The data which an access log file includes is in human-readable plain text format. It may be processed by special software on a PC and used to prepare reports on the efficiency of an Internet site, in addition to the web statistics that your hosting server may have generated.