An access log contains a record of all files which have been requested by the visitors while browsing your site. The list is detailed, so if you have a web page with two embedded images, for instance, all of the three files shall be in the log, not just the page. An access log typically contains the date, the Operating System, the web browser and the IP address for every file in human-readable form, so you can get a more complete picture about the hottest files on your Internet site. The log, that is also typically referred to as "raw data", is an addition to the web statistics you typically get with a hosting account, not a substitute. An example why you may require this type of a log is if you would like to use some software on your computer system to prepare a report about the website’s overall performance, but you don't want to use the typical graphs and tables which come with the server-generated website statistics.