January 20, 2014 comScore MMX Ranks Top 50 U.S. Desktop Web Properties for December 2013

Holiday Season Drives Strong Growth in Shipping, E-Card and Retail Sites

Several Noteworthy Happenings Produce Gains in Taxes, Lotto and Weather Subcategories

RESTON, VA, January 20, 2014 - comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly ranking of U.S. desktop web activity at the top online properties for December 2013 based on data from the comScore MMX service. Holiday e-commerce was the primary driver of growth in the Shipping and Retail subcategories, while Christmas and New Year's also spurred a surge in e-card website traffic. Additionally, preparations for the upcoming 2014 tax season, a near record-breaking Mega Millions lottery jackpot and some exceptionally cold December weather propelled an influx of online visitors to these respective subcategories.

Table 1

comScore Top 10 Gaining Site Categories by Percentage Change in Unique Visitors (Desktop Only)
December 2013 vs. November 2013
Total U.S. - Home, Work and University Locations
Source: comScore MMX
Total Unique Visitors (000)
Nov-13 Dec-13 % Change
Total Internet : Total Audience  224,481 224,057 0
Directories/Resources - Shipping 27,803 37,193 34
Business/Finance - Taxes 4,564 6,105 34
Retail - Flowers/Gifts/Greetings 21,883 28,649 31
Gambling - Lotto/Sweepstakes 16,366 19,700 20
Retail - Fragrances/Cosmetics 16,169 19,294 19
Services - e-cards 16,921 19,881 17
Retail - Sports/Outdoor 34,558 40,161 16
Retail - Food 17,728 20,044 13
News/Information - Weather 76,937 86,518 12
Retail - Jewelry/Luxury Goods/Accessories 22,990 25,475 11

Table 2

comScore Top 50 Properties (Desktop Only)
December 2013
Total U.S. - Home, Work and University Locations
Source: comScore MMX
Rank Property

Unique Visitors

(000)

Rank Property

Unique Visitors

(000)

Total Internet : Total Audience  224,057
1 Yahoo Sites 195,160 26 ESPN 37,931
2 Google Sites 192,315 27 Target Corporation 37,578
3 Microsoft Sites 175,287 28 Meredith Digital 35,280
4 Facebook 140,766 29 Yelp.com 35,075
5 AOL, Inc. 120,093 30 Tumblr.com* 34,427
6 Amazon Sites 116,421 31 Defy Media 33,700
7 Glam Media 92,786 32 WebMD Health 33,226
8 Wikimedia Foundation Sites 78,066 33 Federated Media Publishing 33,212
9 CBS Interactive 75,963 34 Adobe Sites 31,582
10 Turner Digital 75,401 35 Netflix.com 31,250
11 eBay 73,634 36 New York Times Digital 30,797
12 Apple Inc. 72,677 37 Best Buy Sites 30,244
13 Ask Network 67,603 38 YP Local Media Network 30,192
14 Weather Company, The 63,172 39 T365 - Tribune 30,089
15 Comcast NBCUniversal 63,076 40 Scripps Networks Interactive Inc. 29,792
16 About 57,075 41 Conde Nast Digital 29,782
17 Gannett Sites 56,083 42 WordPress.com * 29,725
18 Wal-Mart 53,054 43 Dropbox Sites 29,111
19 Answers.com Sites 46,234 44 Fox News Digital Network 28,545
20 Linkedin 45,595 45 Pinterest.com 28,269
21 Viacom Digital 43,712 46 Townsquare Media 28,218
22 Demand Media 42,929 47 Time Warner (Excl. Turner/WB) 27,734
23 craigslist, inc. 40,148 48 Everyday Health 26,675
24 Twitter.com 39,710 49 Verizon Communications Corporation 26,404
25 Hearst Corporation 38,360 50 Liberty Interactive Corporation 25,888

Table 3

comScore Ad Focus Rankings (Desktop Only)
December 2013
Total U.S. - Home, Work and University Locations
Source: comScore MMX
Top 30 Syndicated Ad Focus Entities Top 20 Ad Networks/Buy Side Networks
Rank Property Unique Visitors (000) % Reach Rank Property Unique Visitors (000) % Reach
Total Internet : Total Audience  224,057 100.0
1 AddThis 219,016 97.8 1 Google Ad Network** 212,843 95.0
2 ShareThis 204,849 91.4 2 Advertising.com** 198,994 88.8
3 Yahoo Sites 195,160 87.1 3 AT&T AdWorks** 191,169 85.3
4 Google 184,559 82.4 4 Real Media Group - 24/7 Access** 188,772 84.3
5 Outbrain 167,500 74.8 5 Casale Media - MediaNet** 182,187 81.3
6 Facebook.com 138,327 61.7 6 Microsoft Media Network US** 178,559 79.7
7 YouTube.com 126,135 56.3 7 Specific Media** 173,994 77.7
8 AOL, Inc. 120,093 53.6 8 RadiumOne** 173,445 77.4
9 MSN 108,336 48.4 9 Genome from Yahoo** 170,921 76.3
10 Amazon.com* 102,215 45.6 10 ValueClick Networks** 170,781 76.2
11 Glam Media 92,786 41.4 11 Burst Media** 169,769 75.8
12 Bing 79,548 35.5 12 Collective Display** 169,098 75.5
13 Ask Network 67,603 30.2 13 Cox Digital Solutions - Network** 156,029 69.6
14 Windows Live 64,749 28.9 14 Exponential - Tribal Fusion** 155,864 69.6
15 Weather Channel, The 57,367 25.6 15 Rocket Fuel** 146,107 65.2
16 About 57,075 25.5 16 Adconion Media Group** 129,945 58.0
17 Gannett Sites 56,083 25.0 17 Undertone** 129,348 57.7
18 Blogger 52,216 23.3 18 Vibrant Media** 111,427 49.7
19 Walmart.com 50,019 22.3 19 Sourceknowledge Video Network** 104,258 46.5
20 Answers.com Sites 46,234 20.6 20 AdBlade Network** 86,135 38.4
21 Linkedin 45,595 20.4
22 5min Media Platform 45,437 20.3 Top DSP/SSP/Ad Exchange Entities
23 Demand Media 42,929 19.2 1 Rubicon Project** 215,968 96.4
24 Apple.com 42,574 19.0 2 Fulcrum5** 181,296 80.9
25 Twitter.com 39,710 17.7 3 engage:BDR** 137,708 61.5
26 IMDb 39,708 17.7
27 CNN 39,244 17.5
28 ESPN 37,931 16.9
29 Target.com 37,491 16.7
30 CBS News 35,807 16.0

Reach % denotes the percentage of the total Internet population that viewed a particular entity at least once in December. For instance, Yahoo Sites was seen by 87.1 percent of the 224 million Internet users in December.
* Entity has assigned some portion of traffic to other syndicated entities.

** Indicates that the entity is an advertising network.

About comScore MMX
comScore MMX provides industry-leading Internet audience measurement services that report details of online media usage, visitor demographics and online buying power for the home, work and university audiences on desktop computers across local U.S. markets and across the globe. comScore MMX reports are used by financial analysts, advertising agencies, publishers and marketers. comScore MMX syndicated ratings are based on industry-sanctioned sampling methodologies.

About comScore
comScore, Inc. (NASDAQ: SCOR) is a global leader in digital measurement and analytics, delivering insights on web, mobile and TV consumer behavior that enable clients to maximize the value of their digital investments.www.comscore.com/companyinfo.

Contact:
Adam Lella
comScore, Inc.
+1 (312) 775-6474
press@comscore.com



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