Percentage of US clicks by number of keywords

Subject Feb-08 Jan-09 Feb-09 Growth, YTY
One word 21.04% 20.29% 20.48% -3%
Two words 24.73% 23.65% 23.47% -5%
Three words 21.84% 21.92% 21.68% -1%
Four words 14.53% 14.89% 14.98% 3%
Five words 8.29% 8.68% 8.72% 5%
Six words 4.38% 4.65% 4.71% 8%
Seven words 2.29% 2.49% 2.51% 10%
Eight or more words 2.90% 3.43% 3.47% 20%
Source: comScore

Top US search engines in November 2008

Provider Searches (000) YOY Growth Share of Searches
All Search 8,075,564 9.6% 100.0%
Google Search 5,177,158 21.7% 64.1%
Yahoo! Search 1,299,306 -1.4% 16.1%
MSN/Windows Live Search 733,460 -16.7% 9.1%
AOL Search 344,465 3.6% 4.3%
Ask.com Search 184,059 -6.0% 2.3%
My Web Search 71,113 -18.3% 0.9%
Comcast Search 40,645 3.5% 0.5%
AT&T Worldnet Search 25,351 -13.3% 0.3%
NexTag Search 22,308 -19.5% 0.3%
Dogpile.com Search 17,121 -6.5% 0.2%
Source: Nielsen

Who searches for the keyword “unemployment”

Term: “Unemployment” Share of Clicks Following Search Index
Age of Head of Household
18-24 4.2% 118
25-34 23.5% 126
35-44 24.4% 86
45-54 26.5% 96
55-64 14.4% 101
65+ 7.1% 90
Household Income
<$25k 12.2% 130
$25-49k 23.5% 123
$50-74k 26.2% 97
$75-99k 14.4% 81
$100k+ 23.7% 89
Search Engine
Google Search 60.8% 87
Yahoo! Search 23.3% 121
MSN-Windows Live Search 10.0% 172
AOL Search 2.3% 76
Ask.com Search 3.6% 156
Source: comScore

US category upstream traffic from search engines and Google in January 2009

Category Traffic from search engines – January 2009 Growth in share of traffic from search engines – January 2009-January 2008 Traffic from Google – January 2009 Growth in share of traffic from Google – January 2009- January 2008
Health and Medical 44.76% 1% 31.91% 11%
Travel 36.29% 9% 27.09% 21%
Shopping and Classifieds 24.97% -2% 18.36% 9%
News and Media 21.25% -3% 15.46% 11%
Entertainment 25.85% 7% 17.26% 21%
Business and Finance 20.03% 13% 13.47% 28%
Sports 15.59% 16% 9.56% 29%
Online Video 34.16% 23% 24.70% 42%
Social Networking 17.54% 18% 11.89% 38%
Source: Hitwise

Average US query size in January 2009

Subject Jan-08 Dec-08 Jan-09 Growth, YTY
1 word 20.96% 20.70% 20.29% -3%
2 words 24.91% 24.13% 23.65% -5%
3 words 22.03% 21.94% 21.92% 0%
4 words 14.54% 14.67% 14.89% 2%
5 words 8.20% 8.37% 8.68% 6%
6 words 4.32% 4.47% 4.65% 8%
7 words 2.23% 2.40% 2.49% 12%
8+ words 2.81% 3.31% 3.43% 22%
Source: Hitwise

Top US search engines and site-generated searches in January 2009

Expanded Search Entity Dec-08 Jan-09 Percent Change
Jan-09 vs. Dec-08
Total Expanded Search 18,688 19,979 7%
Google Sites 11,152 11,714 5%
Google 8,247 8,731 6%
YouTube/All Other 2,905 2,983 3%
Yahoo! Sites 2,714 2,979 10%
Yahoo! 2,686 2,952 10%
All Other 28 27 -4%
Microsoft Sites 1,092 1,188 9%
MSN-Windows Live 997 1,084 9%
Microsoft/All Other 95 104 9%
AOL LLC 740 781 6%
AOL Search Network 424 452 7%
MapQuest/All Other 316 329 4%
Ask Network 620 645 4%
Ask.com 308 317 3%
MyWebSearch.com/ All Other 312 328 5%
Fox Interactive Media 526 558 6%
MySpace 516 550 7%
All Other 10 8 -20%
eBay 500 541 8%
Craigslist.org 387 497 28%
Amazon Sites 204 196 -4%
Facebook.com 161 195 21%
Source: comScore

Top US search engines in January 2009

Core Search Entity Dec-08 Jan-09 Point Change
Jan-09 vs. Dec-08
Total Core Search 100.0 100.0 N/A
Google Sites 63.5 63.0 -0.5
Yahoo! Sites 20.5 21.0 0.5
Microsoft Sites 8.3 8.5 0.2
AOL LLC 3.8 3.9 0.1
Ask Network 3.9 3.7 -0.2
Source: comScore