Ad Clicks A click on an advertisement on a web site which takes a visitor to another site, it is referred to as an ad click.
Ad Views A web page that presents an ad. Once the visitor has viewed an ad, he/she can click on it (see Ad Click). There may be more than one ad on an ad view.
Authentication Technique by which access to Internet or Intranet resources requires the visitor to identify himself or herself by entering a username and password.
Bandwidth Measure (in kilobytes of data transferred) of the traffic on the site.
Browser A program used to locate and view HTML documents (Netscape, Mosaic, Microsoft Explorer, for example.)
Click through rate Percentage of visitors who click on a viewed advertisement. This is a good indication of the effectiveness of this ad.
Client The browser (see above) used by a visitor to a Web site.
Client Errors An error occurring due to an invalid request by the visitor's browser. Client errors are in the 400-range. See "Return Code" definition.
Company Database The database installed and used by WebTrends to look up the company name, city, state and country corresponding to a specific domain name.
Cookies Persistent Client-State HTTP Cookies are files containing information about visitors to a web site (e.g., user name and preferences). This information is provided by the visitor during the first visit to a Web server. The server records this information in a text file and stores this file on the visitor's hard drive. When the visitor accesses the same web site again, the server looks for the cookie and configures itself based on the information provided.
Domain Name The text name corresponding to the numeric IP address of a computer on the Internet (i.e.,
Domain Name Lookup The process of converting a numeric IP address into a text name (for example, is converted to
FTP File Transfer Protocol is a standard method of sending files between computers over the Internet.
Filters A means of narrowing the scope of a report or view by specifying ranges or types of data to include in or exclude.
Forms An HTML page which passes variables back to the server. These pages are used to gather information from visitors. Also referred to as scripts.
GIF Graphics Interchange Format is an image file format commonly used in HTML documents.
HTML Hyper Text Markup Language is used to write documents for the World Wide Web to specify hypertext links between related objects and documents.
HTTP Hyper Text Transfer Protocol is a standard method of transferring data between a Web server and a Web browser.
Hit An action on the Web site, such as when a visitor views a page or downloads a file.
Home Page The main page of a Web site. The home page provides visitors with an overview and links to the rest of the site. It often contains or links to a Table of contents for the site.
Home Page URL The local path or Internet URL to the default page of the Web site for which WebTrends reports will be generated.
IP Address Internet Protocol address identifying a computer connected to the Internet.
JPEG Joint Photographic Expert Group - Compressed graphic format common on the Internet.
Log File A file created by a web or proxy server which contains all of the access information regarding the activity on that server.
Page Views Also called Page Impressions. Hit to HTML pages only (access to non-HTML documents are not counted).
Platform The operating system (i.e. Windows 95, Windows NT, etc.) used by a visitor to the site.
Protocol An established method of exchanging data over the Internet.
Referrer URL of an HTML page that refers to the site.
Return Code The return status of the request which specifies whether the transfer was successful and why.
Possible "Success" codes are:
200 = Success: OK
201 = Success: Created
202 = Success: Accepted
203 = Success: Partial Information
204 = Success: No Response
300 = Success: Redirected
301 = Success: Moved
302 = Success: Found
303 = Success: New Method
304 = Success: Not Modified
Possible "Failed" codes are:
400 = Failed: Bad Request
401 = Failed: Unauthorized
402 = Failed: Payment Required
403 = Failed: Forbidden
404 = Failed: Not Found
500 = Failed: Internal Error
501 = Failed: Not Implemented
502 = Failed: Overloaded Temporarily
503 = Failed: Gateway Timeout
Server A computer that hosts information available to anyone accessing the Internet.
Server Error An error occurring at the server. Web server errors have codes in the 500 range.
Spiders An automated program which searches the internet.
Suffix (Domain Name) The three digit suffix of a domain can be used to identify the type of organization.
Possible "Suffixes" are:
.com = Commercial
.edu = Educational
.int = International
.gov = Government
.mil = Military
.net = Network
.org = Organization
URL Uniform Resource Locator is a means of identifying an exact location on the Internet. For example, is the URL which defines the use of HTTP to access the Web page Default.htm in the /html/info/ directory on the WebTrends Corporation Web site). As the previous example shows, a URL is comprised of four parts: Protocol Type (HTTP), Machine Name (, Directory Path (/html/info/), and File Name (default.htm).
User Agent Fields in an extended Web server log file identifying the browser and platform used by a visitor.
Visit Commonly called Visitor Session. All activity for one visitor of a web site. By default, a visitor session is terminated when a visitor is inactive for more than 30 minutes.
Visitor Session A session of activity (all hits) for one visitor of a web site. A unique visitor is determined by the IP address or cookie. By default, a visitor session is terminated when a visitor is inactive for more than 30 minutes. This duration can be changed from General panel in the Options, Web Traffic Analysis dialog. Synonym: Visit.

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