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removing Nielson. Seems to be nothing but a commercial link. If not, PLEASE make your case in the Talk page & get consensus to re-add |
MikeCapone (talk | contribs) No edit summary |
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==Controversy==
As the industry developed, search engines quickly became wary of unscrupulous SEO firms that attempted to generate traffic for their customers at any cost (the most common problem being the overall decrease of relevancy of search results). One frequent practice, called keyword spamming, involved the insertion of random text at the bottom of a webpage, colored to match the background of the page. The inserted text usually included words that were frequently searched (such as sex), with the goal of getting rankings, and thus access to large streams of traffic.
The search engines responded with a continuous series of countermeasures, designed to filter out the "noise" generated by these artificial techniques. In turn, several SEO firms developed ever-more-subtle techniques to influence rankings.
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