An access log is a thorough list of all the files that were accessed by the guests of a given site. Each and every file which was requested in some way shall be listed, so if you have just one webpage with three embedded graphics, one video and one embedded text file, as an example, the access log will contain a total of 6 entries - one for each of the 6 files which were accessed when the site visitor opened the webpage. A log normally shows the file name and path, the date, plus the visitor’s OS, Internet browser and IP address. In some cases you can also find the referrer Internet sites that sent the visitors to your website. The info that an access log file features is in human-readable plain text format. It can be processed by special software on a personal computer and used to prepare reports on the overall performance of a website, besides the web statistics that your hosting server may have generated.