By CLAIRE CAIN MILLER
Google said late Thursday that it had made a major change to its algorithm in an effort to improve the rankings of high-quality Web sites in its search results — and to reduce the visibility of low-quality sites. While the company did not say so explicitly, the change appears to be directed in part at so-called content farms like eHow and Answerbag, which generate articles based on popular search queries so they will rise to the top of the rankings and attract clicks.
Google has been facing criticism from some users for allowing articles that aren’t useful to appear prominently in search results. That has now changed, according to the company...[continued]
