RankingApril 22, 2015

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

RESTON, VA, April 22, 2015 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly ranking of U.S. online activity at the top digital media properties for March 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 241.6 million unique visitors/viewers across desktop and mobile, while also ranking as the top desktop property with 204.6 million visitors. AddThis topped the Ad Focus ranking with a U.S. desktop internet reach of 96.3 percent.

Comscore Top 50 Multi-Platform Properties (Desktop and Mobile) March 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	255,279
1	Google Sites	241,567	26	BuzzFeed.com	77,930
2	Yahoo Sites	219,947	27	Conde Nast Digital	76,866
3	Facebook	209,643	28	WebMD Health	76,292
4	AOL, Inc.	188,471	29	Answers.com Sites	73,718
5	Microsoft Sites	176,435	30	Pinterest.com	72,881
6	Amazon Sites	175,094	31	WordPress.com*	70,375
7	Mode Media (formerly Glam Media)	154,534	32	Meredith Digital	64,399
8	CBS Interactive	139,508	33	Viacom Digital	63,309
9	Apple Inc.	136,095	34	Mail Online / Daily Mail	61,869
10	Comcast NBCUniversal	134,643	35	craigslist, inc.	61,341
11	eBay	122,462	36	Ask Network	60,463
12	Wikimedia Foundation Sites	117,815	37	New York Times Digital	59,230
13	Turner Digital	117,699	38	Adobe Sites	59,208
14	Linkedin	114,380	39	TripAdvisor Inc.	58,753
15	Gannett Sites	113,375	40	Scripps Networks Interactive Inc.	58,697
16	Time Inc. Network (U.S)	101,687	41	Demand Media	57,182
17	Twitter.com	100,382	42	Netflix.com	56,393
18	Weather Company, The	97,749	43	Cox Enterprises Inc.	56,123
19	Pandora.com	87,796	44	Fox News Digital Network	55,888
20	About	86,557	45	Vimeo	54,973
21	SheKnows Media	85,981	46	YP Sites	54,292
22	Hearst Corporation	85,648	47	Vox Media	53,277
23	Yelp	83,346	48	Disney Online	52,279
24	Wal-Mart	81,919	49	WashingtonPost.com	52,168
25	ESPN	80,508	50	VEVO	51,731

Comscore Top 50 Properties (Desktop Only) March 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	231,411
1	Google Sites	204,572	26	Adobe Sites	35,816
2	Yahoo Sites	168,924	27	SheKnows Media	35,242
3	Microsoft Sites	152,540	28	Conde Nast Digital	33,627
4	Facebook	142,353	29	ESPN	32,548
5	Amazon Sites	108,094	30	WebMD Health	32,435
6	AOL, Inc.	107,235	31	Dropbox Sites	31,978
7	Mode Media (formerly Glam Media)	80,307	32	TripAdvisor Inc.	30,790
8	CBS Interactive	71,224	33	New York Times Digital	30,579
9	Wikimedia Foundation Sites	70,615	34	Purch	30,336
10	eBay	67,246	35	Demand Media	28,774
11	Comcast NBCUniversal	62,527	36	Pinterest.com	28,589
12	Turner Digital	61,928	37	Meredith Digital	27,512
13	Apple Inc.	53,128	38	Netflix.com	27,180
14	About	52,161	39	Fox News Digital Network	26,998
15	Ask Network	50,142	40	Verizon Communications Corporation	26,422
16	Gannett Sites	48,746	41	Ziff Davis Tech	25,768
17	Linkedin	45,152	42	IDG Network	25,243
18	Time Inc. Network (U.S)	43,062	43	Vox Media	24,569
19	craigslist, inc.	42,565	44	Expedia Inc	24,311
20	Wal-Mart	40,462	45	YP Sites	23,833
21	Hearst Corporation	38,979	46	Viacom Digital	23,632
22	Twitter.com	38,557	47	Mail Online / Daily Mail	22,751
23	Weather Company, The	38,347	48	Scripps Networks Interactive Inc.	22,522
24	Yelp	36,484	49	Intuit	22,445
25	Answers.com Sites	35,926	50	T365 - Tribune	22,038

Comscore Ad Focus Rankings (Desktop Only) March 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	231,411	100.0
1	AddThis	222,828	96.3	1	Google Ad Network**		217,120		93.8
2	Google	196,335	84.8	2	Yahoo Audience Network**		205,773		88.9
3	Taboola	187,239	80.9	3	Conversant**		193,648		83.7
4	ShareThis	180,223	77.9	4	Criteo**		184,812		79.9
5	Yahoo Sites	168,924	73.0	5	RadiumOne**		181,246		78.3
6	Outbrain	158,355	68.4	6	Advertising.com**		165,864		71.7
7	Facebook.com	138,780	60.0	7	Burst Media**		160,344		69.3
8	MSN	132,271	57.2	8	Exponential - Tribal Fusion**		157,279		68.0
9	YouTube.com	107,913	46.6	9	Gamut - Network**		155,819		67.3
10	AOL, Inc.	107,235	46.3	10	Collective Display**		155,767		67.3
11	Amazon.com*	91,385	39.5	11	Amobee**		137,876		59.6
12	Mode Media (formerly Glam Media)	80,307	34.7	12	Rocket Fuel**		135,074		58.4
13	Windows Live	58,006	25.1	13	SourceKnowledge Video Network**		109,277		47.2
14	5min Media Platform	56,171	24.3	14	Adroit Digital**		109,087		47.1
15	About	52,161	22.5	15	Microsoft Media Network US**		104,137		45.0
16	Ask Network	50,142	21.7	16	Media.net Contextual Ads**		81,016		35.0
17	Gannett Sites	48,746	21.1	17	Undertone Networks**		81,013		35.0
18	Linkedin	45,152	19.5	18	Vibrant Media**		73,597		31.8
19	Blogger	40,698	17.6	19	AdBlade Network**		73,100		31.6
20	NBC News Digital	39,170	16.9	20	GumGum**		72,188		31.2
21	CBS News	38,560	16.7
22	Twitter.com	38,557	16.7	Top DSP/SSP/Ad Exchange Entities
23	Walmart.com	37,922	16.4	1	Rubicon Project**	192,395		83.1
24	Yelp	36,484	15.8	2	Fulcrum5**	189,258		81.8
25	Answers.com Sites	35,926	15.5	3	OpenX**	148,682		64.3
26	SheKnows Media	35,242	15.2	4	engage:BDR**	36,720		15.9
27	CNN	34,852	15.1
28	Weather Channel, The	32,859	14.2
29	ESPN	32,548	14.1
30	WebMD Health	32,435	14.0

Reach % denotes the percentage of the total internet population that viewed a particular entity at least once in March. For instance, Yahoo Sites was seen by 73 percent of the 231 million desktop internet users in March.
* Entity has assigned some portion of traffic to other syndicated entities.
** Indicates that the entity is an advertising network.

For more information: Request a Demo of Media Metrix Multi-Platform

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
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. For more information, please visit www.comscore.com/companyinfo.

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