link juice
n.— «It also changed at least 99 other links to the Web sites of law-firm clients after it ran afoul of Google Inc. (GOOG) in the search giant’s ongoing efforts to crack down on a practice known as selling “link juice,” or Web links designed to boost a Web site’s page rankings in a search engine. With the link juice trade springing up as a cottage industry across the entire spectrum of online marketing, Google views it as threatening the quality of its search engine, an asset that has made Google a dominant force in media.» —“Google Slaps FindLaw In Effort to Crack Down On ‘Link Juice’” CNNMoney Sept. 9, 2008. (source: Double-Tongued Dictionary)