Blekko is touting “the first search algorithm ever created to find spam rather than rank results,” AdSpam. Its purpose is to detect spammy web pages signals (e.g., pages with multiple display ad positions and very little content).
While Blekko hasn’t yet become a household name (it reported 30 million queries in January), the startup search engine’s emphasis on spam and search quality continues to make waves, and is obviously pushing Google to clean up its own results. While Google’s Panda update demoted “low-quality” sites, Blekko announced that is has completely eliminated 1.1 million domains from its search results, such as cheap-refrigerators.net, best-weddinggifts and Boston.diningguide.com.
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