FFA - Free-for-all links list, where there are no qualifications for adding a link.
Incentivized Traffic - Visitors who have received some form of compensation for visiting a site.
Mousetrapping - The use of browser tricks in an effort to keep a visitor captive at a site, often by disabling the "Back" button or generated repeated pop-up windows.
Opt-out - (1) type of program that assumes inclusion unless stated otherwise.
Pagejacking - Theft of a page from the original site and publication of a copy (or near-copy) at another site.
Search Engine Spam - Excessive manipulation to influence search engine rankings, often for pages which contain little or no relevant content.
Spam - Inappropriate commercial message of extremely low value.
Trick Banner - A banner ad that attempts to trick people into clicking, often by imitating an operating system message.
