Nielsen Online today reported data for the top U.S. search providers, ranked by total searches, the top companies/divisions and web brands in May 2009.  Total searches increased 20 percent over May 2008.
Top 10 Search Providers for May 2009 (U.S.) 

Provider
Searches (000)
YOY Growth
Share of Searches

All Search
9,440,467
20.3%
100.0%

Google Search
5,968,840
28.2%
63.2%

Yahoo! Search
1,625,253
22.3%
17.2%

MSN/Windows Live Search
891,502
-14.6%
9.4%

AOL Search
364,784
13.1%
3.9%

Ask.com Search
205,438
21.9%
2.2%

My Web Search
77,283
44.7%
0.8%

Comcast Search
55,853
33.1%
0.6%

Yellow Pages Search
33,141
n/a*
0.4%

NexTag Search
27,189
29.9%
0.3%

AT&T Worldnet Search
17,719
-32.4%
0.2%

Source: Nielsen MegaView Search

 * A year-over-year comparison is not possible because of a definitional change to Yellow Pages Search.

According to Nielsen Online, approximately 8.5 billion Web searches were conducted during February 2009, a 10% percent jump from January 2008.
Google searches accounted for 63.5 percent of all Web searches with nearly 5.4 billion queries. Yahoo, MSN, AOL and Ask.com continued to round out the top five.

RANK
Provider
Searches (000)
YOY Growth
Share of Searches

All Search
8,494,653
10.10%
100.00%

1
Google Search
5,394,190
19.20%
63.50%

2
Yahoo! Search
1,415,354
4.00%
16.70%

3
MSN/Windows Live Search
881,050
2.40%
10.40%

4
AOL Search
320,098
-19.90%
3.80%

5
Ask.com Search
162,226
-16.90%
1.90%

6
My Web Search
55,772
-21.60%
0.70%

7
Comcast Search
42,895
1.30%
0.50%

8
Yellow Pages Search
37,636
N/A*
0.40%

9
AT&T Worldnet Search
17,371
-27.60%
0.20%

10
Dogpile.com Search
15,880
-28.90%
0.20%

Source: Nielsen Online, MegaView Search

* A year-over-year comparison is not possible because of a definitional change to Yellow Pages …

While newspapers across the country face a declining number of subscribers, traffic to the top 10 online newspapers grew 16 percent in December 2008 versus a year ago, according to new research from Nielsen Online.
NYTimes.com continued to be the number one online newspaper, with 18.2 million unique visitors.  USATODAY.com and washingotnpost.com took maintained the number two and three ranks, respectively.

Site
Dec-07 (000)
Dec-08 (000)
% Change

Top 10 Online Newspapers
34,602
40,093
16

NYTimes.com
17,177
18,187
6

USATODAY.com
9,939
11,420
15

washingtonpost.com
8,478
9,470
12

LA Times
4,607
7,963
73

Wall Street Journal Online
5,409
7,235
34

Daily News Online Edition
2,956
5,883
99

Chicago Tribune
3,891
5,235
35

New York Post
2,851
4,557
60

Boston.com
4,364
4,086
-6

SFGate.com/SF Chronicle
2,785
3,503
26

Source: Nielsen Online (January 26, 2009)

“December was an extremely active month in terms …

Google was the top-ranked Web brand in November, drawing more than 127 million unique visitors during the month, Nielsen Online reported Tuesday.  Yahoo! and MSN/Windows Live rounded out the top three, with unique audiences of just over 117 million and 104 million visitors, respectively.

Rank
Brand
Unique Audience
(in 000s)
Time Per Person
(hh:mm:ss)

1
Google
127,656
1:23:40

2
Yahoo!
117,656
3:17:36

3
MSN/Windows Live
104,090
2:13:19

4
Microsoft
95,543
0:45:44

5
AOL Media Network
86,308
3:43:45

6
YouTube
81,882
1:01:33

7
Fox Interactive Media
69,838
1:39:31

8
Wikipedia
58,335
0:18:39

9
Amazon
57,682
0:25:33

10
eBay
55,438
1:43:41

Source: The Nielsen Company (November 2008).

View the full press release.
View the top U.S. Web brands for September and October 2008.

Nielsen has issued a year-end look at the most popular trends among Americans during 2008, covering everything from the top TV programs to the most popular consumer packaged goods.
Google was the most popular website with U.S. Internet users, drawing the largest audience (120 million unique visitors per month, on average) through October 2008.
As of 2008, the most prolific content downloaders in the U.S. live in California, according to Scarborough Research, a joint partnership with Nielsen and Arbitron. The San Francisco, Oakland, and San Jose market had the highest percentage (32%) of adults who had downloaded …

Google was the top-ranked Web brand in October, drawing more than 122 million unique visitors during the month, Nielsen Online reported Wednesday.
Yahoo! and MSN/Windows Live rounded out the top three, with unique audiences of just over 116 million and 102 million visitors, respectively.

Rank
Top Web Brands
Unique Audience
(in 000s)
Time Per Person
(hh:mm:ss)

1
Google
122,325
1:23:07

2
Yahoo!
116,078
3:23:29

3
MSN/Windows Live
102,494
2:23:27

4
Microsoft
92,348
0:45:54

5
AOL Media Network
88,028
3:34:41

6
YouTube
77,480
0:53:25

7
Fox Interactive Media
67,182
1:37:12

8
Wikipedia
56,896
0:20:07

9
Apple
49,340
0:58:34

10
eBay
49,213
1:47:26

Source: The Nielsen Company (October 2008).

View the full press release.
View the top U.S. Web brands for September 2008.

Google and Yahoo! were again the number one- and number two-ranked Web brands in August, according to Nielsen Online.

Rank
Web Brand
Unique Audience
(in 000s)
Time Per Person
(hh:mm:ss)

1
Google
123,690
1:25:18

2
Yahoo!
117,702
3:22:31

3
MSN/Windows Live
103,953
2:21:25

4
Microsoft
93,558
12:38:39

5
AOL Media Network
93,070
3:33:46

6
YouTube
75,442
1:01:01

7
Fox Interactive Media
70,696
1:54:24

8
eBay
55,842
1:52:01

9
Wikipedia
52,987
0:21:24

10
Apple
48,766
1:10:42

Source: The Nielsen Company (August 1, 2008 – August 31, 2008).

ONLINE BRAND
TOTAL STREAMS
 (in 000s)
UNIQUE VIEWERS
(in 000s)

YouTube
4,762,883
76,746

Fox Interactive Media
278,375
16,053

Nickelodeon Kids and Family Network
223,044
6,935

MSN/Windows Live
205,018
12,035

Disney Online
171,249
10,341

Yahoo!
169,259
19,659

ESPN
123,123
5,827

Hulu
107,622
2,632

CNN Digital Network
106,383
8,111

Turner Sports and Entertainment Digital Network
87,441
3,892

Source: Nielsen Online, VideoCensus
Note: Online brands are ranked by video streams; data includes progressive downloads and excludes video advertising.

Read coverage of Nielsen’s findings in Ad Age.

Google (60% search share) and Yahoo! (18.1% search share) were the number one- and number two-ranked online search providers in the U.S. for August, according to Nielsen Online.
AT&T Worldnet Search (+203.8%) and Comcast Search (+30.9%) showed the largest year-over-year growth for the time period.

Provider
Searches
(in 000’s)
Year-Over-Year
Growth
Share
of Searches

All Search Providers
7,222,826
-7.7%
100.0%

Google Search
4,331,153
3.1%
60.0%

Yahoo! Search
1,304,889
-16.5%
18.1%

MSN/Windows Live Search
770,592
-23.8%
10.7%

AOL Search
376,331
-13.5%
5.2%

Ask.com Search
143,231
4.7%
2.0%

Comcast Search
45,438
30.9%
0.6%

My Web Search
38,550
-46.3%
0.5%

AT&T Worldnet Search
30,272
203.8%
0.4%

NexTag Search
17,901
-20.6%
0.2%

Dogpile.com Search
15,418
-27.8%
0.2%

Source: The Nielsen Company (August 1, 2008 - August 31, 2008)