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Glossary term: PageRank
PageRank is the concept upon which Google was created. In a nutshell, it is a weighted representation of the "importance" of a particular webpage, based upon the importance of the pages that link to it. PageRank is visually represented by a scale from zero to ten, although there are actually infinite gradations between each whole number. PageRank is a logarithmic scale, with each higher number being approximately eight times the number below it. To illustrate, as of January 2004, there were only thirty-three pages on the entire Web which held a PageRank of ten. When Google first broke onto the search engine scene, a high PageRank was something of a "magic bullet" to high
search engine rankings. While the benefits are no longer so extreme, it is still quite important to have a reasonable PageRank on one's site.