RankingJanuary 21, 2016

Comscore Ranks the Top 50 U.S. Digital Media Properties for December 2015

RESTON, VA, January 21, 2016 – Comscore, Inc. (NASDAQ: SCOR), a global media measurement and analytics company, today released its monthly ranking of U.S. online activity at the top digital media properties for December 2015 based on data from the Comscore Media Metrix® and Media Metrix® Multi-Platform services. Google Sites ranked as the top multi-platform property with 248.4 million unique visitors/viewers across desktop and mobile, while also ranking as the top desktop property with 208.3 million visitors.

Comscore Top 50 Multi-Platform Properties (Desktop and Mobile) December 2015 Total U.S. – Home and Work Locations Source: Comscore Media Metrix Multi-Platform
Rank	Property	Unique Visitors/Viewers (000)	Rank	Property	Unique Visitors/Viewers (000)
	Total Internet : Total Audience	260,182
1	Google Sites	248,385	26	Pinterest.com	87,392
2	Facebook	218,640	27	Yelp	86,027
3	Yahoo Sites	204,885	28	ESPN	83,897
4	Amazon Sites	198,719	29	Meredith Digital	81,666
5	Microsoft Sites	191,507	30	BuzzFeed.com	80,442
6	AOL, Inc.	181,209	31	Target Corporation	78,877
7	Comcast NBCUniversal	154,848	32	WordPress.com*	78,593
8	CBS Interactive	150,669	33	Vimeo	78,164
9	Mode Media	143,788	34	WashingtonPost.com	75,990
10	Apple Inc.	142,396	35	Adobe Sites	74,872
11	Wikimedia Foundation Sites	118,640	36	WebMD Health	71,276
12	Turner Digital	118,105	37	About	70,787
13	Twitter	115,637	38	New York Times Digital	70,356
14	Time Inc. Network (U.S)	114,025	39	Mail Online / Daily Mail	66,177
15	Conde Nast Digital	112,604	40	Cox Enterprises Inc.	64,657
16	Wal-Mart	111,832	41	Scripps Networks Interactive Inc.	64,619
17	Linkedin	111,312	42	Groupon	64,309
18	Weather Company, The	105,458	43	TripAdvisor Inc.	62,580
19	eBay	103,965	44	Zillow Group	62,242
20	Hearst	100,899	45	NFL Internet Group	61,940
21	USA Today Network	100,242	46	Netflix Inc.	61,786
22	SheKnows Media	92,483	47	Vox Media	59,781
23	PayPal	92,410	48	Fox News Digital Network	57,700
24	Answers.com Sites	90,918	49	craigslist, inc.	57,397
25	Pandora.com	89,702	50	Purch	57,072

Comscore Top 50 Properties (Desktop Only) December 2015 Total U.S. – Home and Work Locations Source: Comscore Media Metrix
Rank	Property	Unique Visitors (000)	Rank	Property	Unique Visitors (000)
	Total Internet : Total Audience	232,202
1	Google Sites	208,309	26	Target Corporation	35,364
2	Microsoft Sites	151,063	27	Yelp	35,195
3	Facebook	145,033	28	Pinterest.com	33,688
4	Yahoo Sites	140,012	29	Adobe Sites	33,222
5	Amazon Sites	118,629	30	TripAdvisor Inc.	32,851
6	AOL, Inc.	101,186	31	Purch	31,446
7	Mode Media	72,346	32	SheKnows Media	30,248
8	CBS Interactive	63,280	33	Meredith Digital	29,190
9	Wikimedia Foundation Sites	56,573	34	Weather Company, The	29,113
10	Wal-Mart	56,250	35	Netflix Inc.	28,528
11	eBay	55,908	36	Answers.com Sites	27,582
12	Comcast NBCUniversal	55,332	37	New York Times Digital	27,375
13	Apple Inc.	52,950	38	WebMD Health	27,075
14	Turner Digital	49,861	39	Best Buy Sites	26,843
15	Ask Network	41,598	40	Zillow Group	26,356
16	Time Inc. Network (U.S)	41,057	41	Ziff Davis Tech	25,536
17	PayPal	40,466	42	Verizon Communications Corporation	25,442
18	Hearst	39,306	43	ESPN	25,348
19	Conde Nast Digital	39,256	44	Sears Sites	23,337
20	Linkedin	39,098	45	Scripps Networks Interactive Inc.	23,324
21	USA Today Network	37,851	46	Valve Corporation	23,143
22	About	37,606	47	JPMorgan Chase Property	23,083
23	Twitter	37,295	48	Cox Enterprises Inc.	22,304
24	craigslist, inc.	36,485	49	Fox News Digital Network	22,088
25	Dropbox Sites	35,743	50	Vox Media	21,995

Comscore Ad Focus Rankings (Desktop Only) December 2015 Total U.S. – Home and Work Locations Source: Comscore Media Metrix
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	232,202	100.0
1	Taboola	203,798	87.8	1	Google Ad Network**		221,796		95.5
2	Google	200,187	86.2	2	Yahoo Audience Network**		208,089		89.6
3	ShareThis	150,353	64.8	3	Criteo**		199,310		85.8
4	Facebook.com	142,767	61.5	4	Conversant**		199,171		85.8
5	Yahoo Sites	140,012	60.3	5	RadiumOne**		188,066		81.0
6	MSN	133,488	57.5	6	Exponential**		166,276		71.6
7	Outbrain	131,366	56.6	7	RhythmOne**		161,446		69.5
8	YouTube.com	111,600	48.1	8	Collective Display**		159,170		68.5
9	Amazon.com*	106,090	45.7	9	Gamut - Network**		156,616		67.4
10	Gravity Personalization	103,004	44.4	10	Advertising.com**		128,349		55.3
11	AOL, Inc.	101,186	43.6	11	Amobee**		121,303		52.2
12	RevContent	84,085	36.2	12	Rocket Fuel**		100,570		43.3
13	Windows Live	75,643	32.6	13	Media.net Contextual Ads**		94,759		40.8
14	Mode Media	72,346	31.2	14	Specific Media**		92,624		39.9
15	Walmart.com	53,337	23.0	15	SourceKnowledge Video Network**		85,591		36.9
16	Ask Network	41,598	17.9	16	Vibrant Media**		71,731		30.9
17	Linkedin	39,098	16.8	17	Choicestream**		70,577		30.4
18	USA Today Network	37,851	16.3	18	Undertone Networks**		68,653		29.6
19	About	37,606	16.2	19	GumGum**		61,278		26.4
20	Twitter.com	36,212	15.6	20	33Across Real Platform**		60,424		26.0
21	CNN Brand	35,393	15.2
22	Target.com	35,330	15.2	Top DSP/SSP/Ad Exchange Entities
23	Yelp	35,195	15.2	1	Fulcrum5**	198,271		85.4
24	CBS News	32,844	14.1	2	OpenX**	160,271		69.0
25	NBC News Digital	32,771	14.1	3	engage:BDR**	42,115		18.1
26	Blogger	31,657	13.6
27	Purch	31,446	13.5
28	Apple.com	30,563	13.2
29	SheKnows Media	30,248	13.0
30	TripAdvisor.com*	28,252	12.2

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 60.3 percent of the 232 million desktop internet users in December.
* Entity has assigned some portion of traffic to other syndicated entities.
** Indicates that the entity is an advertising network.

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About Comscore Media Metrix Multi-Platform
Comscore Media Metrix Multi-Platform offers comprehensive reporting on more than 300,000 digital media entities, including their unduplicated audience size, demographic composition, engagement, performance within key user segments and behavioral trends. All of these metrics are measured across multiple digital media platforms, including desktop computers, smartphones and tablets, and content delivery vehicles, including websites, videos and apps. These platforms are unified using both panel- and census-based methods to deliver a holistic view of media companies’ total digital populations.

About Comscore Media Metrix
Comscore Media Metrix 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 Media Metrix reports are used by financial analysts, advertising agencies, publishers and marketers. Comscore Media Metrix syndicated ratings are based on industry-sanctioned sampling methodologies.

About Comscore
Founded in 1999 and headquartered in Reston, Virginia, Comscore, Inc. (NASDAQ: SCOR) is a global media measurement and analytics company that makes audiences and advertising more valuable across all the screens that matter. Comscore helps media buyers and sellers understand and make decisions based on how consumers use different media, such as TV, video, mobile, desktop and more. Through its products and services, Comscore helps its more than 2,500 clients understand their audiences, know if their advertising is working, and access data where they want and need it. Please visit www.comscore.com to learn more.

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