Hitwise Intelligence - Bill Tancer - US: Guest Post - Sizing Up the Long Tail of Search - 0 views
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Assuming the tail doesn’t begin until term 18, the head and body together only account for 3.25% of all search traffic! In fact, the top terms don’t account for much traffic:
• Top 100 terms: 5.7% of the all search traffic
• Top 500 terms: 8.9% of the all search traffic
• Top 1,000 terms: 10.6% of the all search traffic
• Top 10,000 terms: 18.5% of the all search traffic
