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FEBRUARY 25, 2010 [A/B Testing, Adwords] How Important is the “Tail”? An Emperical Study
At a recent show one of my colleagues heard a speaker claim that the “tail was not important and that by focusing attention exclusively on the head, you can build a better program. A fixed number of KW. One could make the case that any KW that generates X amount of click traffic in Y days is a head term. The number of KW generating at least one impression over ninety days ranged from a mere 3,300 to almost 300,000. Bing: Bang or Bust?
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