Above the Fold:  A term traditionally used to describe the top portion of a newspaper. In email n . . .
Absolute Link:  A link which shows the full URL of the page being linked to. Some links only sho . . .
Active Server Pages (ASP):  A common programming language used befor . . .
AdCenter:  Microsoft's cost per click ad network similar to Google's AdWords. While it has . . .
AdSense:  Google's contextual advertising network. Publishers large and small may automati . . .
AdWords:  Google's advertisement and link auction network. Most of Google's ads are keywor . . .
Affiliate:  An affiliate site markets products or services that are actually sold by another . . .
Affiliate Marketing:  Affiliate marketing programs allows merchants to expand their market reach and m . . .
Age:  Some social networks or search systems may take site age, page age, user account . . .
AJAX:  Asynchronous JavaScript and XML is a technique which allows a web page to reques . . .
Alexa:  Amazon.com owned search service which measures website traffic. Alexa is heavily . . .
Algorithm:  A program used by search engines to determine what pages to suggest for a given . . .
AllTheWeb:  Search engine which was created by Fast, then bought by Overture, which was boug . . .
Alt Attribute:  Blind people and most major search engines are not able to easily distinguish wh . . .
Alt Text:  A description of a graphic, which usually isn’t displayed to the end user, unles . . .
AltaVista:  Search engine bought out by Overture prior to Overture being bought by Yahoo. Al . . .
Analytics:  Software which allows you to track your page views, user paths, and conversion s . . .
Anchor Text:  The text that a user would click on to follow a link. In the case the link is an . . .
API:  Application Program Interface - a series of conventions or routines used to acce . . .
Arbitrage:  Exploiting market inefficiencies by buying and reselling a commodity for a profi . . .