Error - A request which resulted in an error code being sent to the browser. Any result code 400 or higher is treated as an error. The last non-graphic requested as part of a visit. File Type - The file name extension is taken to indicate the file type in Summary. Graphic - A request for a file containing an image.
Summary uses the file name extension to determine if a request is for a graphic.
The set of extensions used to make this determination can be configured. Requests for graphics are not counted as steps in a visit. The item may be a specific file, a particular referrer, or other use of a resource by a single request. Host - A computer is often referred to as a host when talking about networking. Each computer is assigned a unique IP address.