June 2007 Paid Search Market Share: Google, Yahoo, Microsoft

Our agency's PPC advertising share across Google, Yahoo, and Microsoft in June 2007 remained relatively stable in June from May. Google continues to dominate, with three-fourths share. For the third month running, Microsoft took one point of share from Google, rising to 6%. Yahoo held steady at 21%. These are very small share changes and should be interpreted accordingly. We note that our firm has been growing steadily year-to-date, so total client ad spend under management is up significantly in absolute dollars. These share numbers reflect the proportions of those dollars going to G, Y, and M. As previously mentioned, nearly all of our clients instruct us to run their paid search campaigns to achieve their economic goals. That is, none of our clients establish a priori budget levels by engine. Our portfolio bidding platform optimizes ad budgets, buying the most effective clicks first. Thus, an increase in ad spend on one engine, relative to the others, reflects an increase in click quality relative to the others. google yahoo microsoft paid search share june 2007 Here are those data from the Big Three in tabular form.
2007-0173% 22% 5%
2007-0270% 26% 5%
2007-0372% 24% 4%
2007-0476% 20% 4%
2007-0574% 21% 5%
2007-0673% 21% 6%
These data represent our clients' experience in aggregate. As always, your mileage may vary.
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