The amount of information that can be transmitted over communication lines at one time. The higher the bandwidth, the faster the Web page loads. The act of clicking on an ad, which takes the user to the advertiser' s Web site. Used as a way to measure response to an ad. Automated programs or scripts that travel on the Web and copy pages, ads, and anything else they are programmed for.
Search engines use spiders to provide useful links when users conduct specific queries.
Also called robots. When a page that includes a banner is viewed, it is considered an impression. A file on a user's computer that stores temporary text and graphics for display in the browser. This speeds page viewing when a user clicks the Back button. Used to identify repeat visitors and track visitor behavior.