c-span.org

1.

Dynamic Yield

94.02% • Dynamic Yield • Essential

2.

OneTrust

93.78% • OneTrust • Consent Management

3.

OneSignal

87.18% • OneSignal • Essential

4.

Google Syndication

82.17% • Google • Advertising

5.

Google Tag

78.24% • Google • Advertising

6.

Google Static

52.92% • Google • Hosting

7.

Google

51.82% • Google • Advertising

8.

Integral Ad Science

41.31% • Integral Ad Science, Inc. • Advertising

9.

Google APIs

40.89% • Google • Hosting

10.

LinkedIn Ads

39.97% • Microsoft • Advertising

11.

JW Player

39.13% • JW Player • Audio/Video Player

12.

Facebook

38.4% • Meta • Advertising

13.

Verizon Media

29.25% • Verizon • Advertising

14.

Hotjar

29.16% • Hotjar • Site Analytics

15.

Google Fonts

26.92% • Google • Hosting

16.

LinkedIn Analytics

25.39% • Microsoft • Site Analytics

17.

DoubleClick

23.63% • Google • Advertising

18.

YouTube

20.81% • Google • Audio/Video Player

19.

X Corp.

20.14% • X Corp. • Social Media

20.

Google Analytics

19.48% • Google • Site Analytics

21.

Cloudflare

15.28% • Cloudflare • Hosting

22.

Amazon Advertising

15.04% • Amazon • Advertising

23.

Google AdServices

14.75% • Google • Advertising

24.

X Syndication

14.38% • X Corp. • Social Media

25.

Adobe Audience Manager

14.1% • Adobe • Advertising

26.

Rubicon

11.32% • The Rubicon Project, Limited • Advertising

27.

PubMatic

11.29% • PubMatic, Inc. • Advertising

28.

AppNexus

11.28% • Microsoft • Advertising

29.

sovrn

11.22% • Sovrn Holdings Inc • Advertising

30.

Media.net

11.2% • Media.net • Advertising

31.

33Across

11.2% • 33Across • Advertising

32.

Yieldmo

11.14% • Yieldmo, Inc. • Advertising

33.

ShareThrough

11.14% • Sharethrough, Inc • Advertising

34.

CPMStar

11.08% • CPMStar • Advertising

35.

gumgum

11.08% • GumGum • Advertising

36.

Amazon CloudFront

10.99% • Amazon • Hosting

37.

OpenX

8.84% • OpenX Software Ltd. • Advertising

38.

Rhythmone Beacon

8.7% • RhythmOne, LLC • Advertising

39.

Index Exchange

8.65% • Index Exchange, Inc. • Advertising

40.

Sonobi

8.0% • Sonobi, Inc • Advertising

41.

33Across

7.78% • 33Across • Advertising

42.

SMART AdServer

7.65% • Smart Adserver • Advertising

43.

Criteo

7.39% • Criteo • Advertising

44.

PulsePoint

7.38% • PulsePoint, Inc. • Advertising

45.

TradeDesk

7.33% • The Trade Desk • Advertising

46.

Bidswitch

7.32% • Criteo • Advertising

47.

Adform

7.31% • Adform • Advertising

48.

TripleLift

6.78% • TripleLift, Inc. • Advertising

49.

StickyAds

6.74% • Comcast • Advertising

50.

e-planning

6.52% • e-planning • Advertising

51.

Live Intent

6.35% • LiveIntent • Site Analytics

52.

RTB House

6.33% • RTB House • Advertising

53.

LiveRamp

6.13% • LiveRamp • Advertising

54.

Improve Digital

5.98% • Improve Digital • Advertising

55.

Brightcove

5.88% • Brightcove • Site Analytics

56.

Smaato

5.76% • Verve Group • Advertising

57.

Brightcove Player

5.62% • Brightcove • Audio/Video Player

58.

StreamRail

5.56% • ironSource • Advertising

59.

Zencoder

5.25% • Zencoder • Audio/Video Player

60.

Zeta

5.13% • Zeta Global • Customer Interaction

61.

Tapad

4.78% • Telenor Group • Advertising

62.

boltdns.net

4.78% • • Misc

63.

ADman Media

4.42% • illumin • Advertising

64.

Bidtellect

4.32% • Simpli.fi • Advertising

65.

Dotomi

4.3% • Conversant • Advertising

66.

Yahoo! Ad Manager Plus

4.08% • Verizon • Advertising

67.

MediaMath

3.82% • MediaMath, Inc. • Advertising

68.

Lotame

3.31% • Lotame • Advertising

69.

ID5 Sync

3.21% • ID5 Technology Ltd. • Site Analytics

70.

Zemanta

3.05% • Outbrain • Customer Interaction

71.

Eyeota

3.05% • Eyeota • Advertising

72.

Aggregate Knowledge

3.04% • TransUnion • Advertising

73.

Unruly Media

2.99% • Tremor International • Advertising

74.

Consumable

2.81% • GiftConnect • Advertising

75.

AdRoll

2.54% • AdRoll • Advertising

76.

jsDelivr

2.52% • • Hosting

77.

AddThis

2.45% • Oracle • Advertising

78.

SiteScout by Centro

2.42% • Centro • Advertising

79.

Beeswax

2.38% • Beeswax • Advertising

80.

Quantcast

2.33% • Quantcast International Limited • Advertising

81.

Adyoulike

2.25% • Open Web • Advertising

82.

AMP Project

2.22% • Google • Misc

83.

Connatix

2.12% • Connatix Native Exchange Inc. • Advertising

84.

BlueKai

2.08% • Oracle • Advertising

85.

Demandbase

2.05% • Demandbase • Advertising

86.

Yahoo! Analytics

2.01% • Verizon • Site Analytics

87.

Disqus

1.95% • Zeta Global • Customer Interaction

88.

Google User Content

1.91% • Google • Hosting

89.

StackAdapt

1.9% • StackAdapt • Advertising

90.

Amazon CDN

1.88% • Amazon • Hosting

91.

Microsoft Advertising

1.73% • Microsoft • Advertising

92.

DataXu

1.61% • DataXu • Advertising

93.

Resonate Networks

1.39% • Resonate • Advertising

94.

Turn Inc.

1.39% • Singtel • Advertising

95.

Google Photos

1.35% • Google • Hosting

96.

Flashtalking

1.29% • Flashtalking • Advertising

97.

Travel Audience

1.27% • Travel Audience • Site Analytics

98.

LinkedIn

1.24% • Microsoft • Misc

99.

eXelate

1.24% • Nielsen • Advertising

100.

Taboola

1.18% • Taboola • Advertising

101.

Adsninja

1.18% • Adsninja Affilate Network • Advertising

102.

Simpli.fi

1.17% • Simplifi Holdings Inc. • Advertising

103.

Xaxis

1.16% • Xaxis • Advertising

104.

DeepIntent

1.14% • Deep Intent • Advertising

105.

Yahoo!

1.13% • Verizon • Site Analytics

106.

Acuity Ads

1.07% • Acuity Ads • Advertising

107.

Tribal Fusion

1.06% • Exponential Interactive, Inc • Advertising

108.

Adelphic

1.03% • Viant • Site Analytics

109.

Roq.ad

1.02% • Roq.ad GmbH • Advertising

110.

MarketGid

1.01% • MGID Inc. • Advertising