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The Art of SEO: Mastering Search Engine Optimization (Theory in Practice) Highlight
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— Eric Enge and Stephan Spencer and Rand Fishkin and and Jessie C Stricchiolamore than 1 billion image searches were performed in October 2008, or a little more than 8.3% of all searches performed in that month. Similar data from Nielsen Online shows image search comprised 6.0% of all search in January 2009.
Replicated under Fair Use from The Art of SEO: Mastering Search Engine Optimization (Theory in Practice) by Eric Enge and Stephan Spencer and Rand Fishkin and and Jessie C Stricchiola.