The B2B Guide to Social Media’s comprehensive collection of statistics relating to SEO:

2000%the increase in blog traffic using distributionMay-12Global
40%the increase in revenue using   distributionMay-12Global
70%of the links search users click on are organicMay-12Global
70-80%of users ignore paid ads,   focusing on organic search resultsMay-12Global
75%of users never scroll past the   first page of search resultsMay-12Global
Top twointernet activities are search   and emailMay-12Global
434%The percent increase in the   number of indexed pages companies that blog haveMay-12Global
61%how much more outbound leads cost than inbound leadsMay-12Global
81%of businesses consider their   blogs to be an important asset to their businessesMay-12Global
300%Search is the number one driver of traffic content to sites, beating social media by 300%.May-12Global
14.60%the close rate on SEO leadsMay-12Global
1.70%the close rate on outbound leadsMay-12Global
18%For Google, 18% of organic   clicks go to the #1 positionMay-12Global
10%For Google, 10% of organic   clicks go to the #2 positionMay-12Global
7%For Google, 7% of organic clicks   go to the #3 positionMay-12Global
9.70%For Bing, 9.7% of organic clicks go to #1May-12Global
5.50%For Bing, 5.5% of organic clicks go to #2May-12Global
2.70%For Bing, 2.7% of organic clicks go to #3May-12Global
79%of search engine users say they always/frequently click on the natural search resultsMay-12Global
80%of search engine users say they occasionally/rarely/never click on the sponsored search resultsMay-12Global
65-70%The percentage of the search   engine market Google ownsMay-12Global
93%of online experiences begin with a search engine.May-12Global
39%of customers come from searchMay-12Global
$16 billionthe estimated worth of the   search engine industryMay-12Global
88.10%of US internet users ages 14+ will browse or research products online in 2012.May-12Global
25%of all online US device   purchases were directly driven by search in 2012May-12Global
82.60%of internet users use search.May-12Global

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