britannica.com

1.

Google Tag

94.61% • Google • Advertising

2.

Cloudflare Insights

90.66% • Cloudflare • Site Analytics

3.

Google Fonts

81.64% • Google • Hosting

4.

Google Static

80.23% • Google • Hosting

5.

VWO

41.4% • Wingify • Site Analytics

6.

Google Marketing Platform

8.19% • Google • Advertising

7.

JW Player

7.4% • JW Player • Audio/Video Player

8.

Sentry

6.07% • Sentry • Utilities

9.

Google

5.84% • Google • Advertising

10.

GitHub

4.88% • GitHub, Inc. • Customer Interaction

11.

Google APIs

4.69% • Google • Hosting

12.

Amazon Advertising

4.63% • Amazon • Advertising

13.

Magnite

4.39% • Magnite • Advertising

14.

Live Intent

4.31% • LiveIntent • Site Analytics

15.

Lotame

4.22% • Lotame • Advertising

16.

LiveRamp CMP

4.22% • LiveRamp • Consent Management

17.

Criteo

4.15% • Criteo • Advertising

18.

ScoreCard Research Beacon

3.92% • comScore, Inc. • Site Analytics

19.

TradeDesk

3.77% • The Trade Desk • Advertising

20.

ID5 Sync

3.69% • ID5 Technology • Advertising

21.

Google Analytics with signals

3.65% • Google • Advertising

22.

33Across

3.24% • 33Across • Advertising

23.

LiveRamp

3.06% • LiveRamp • Advertising

24.

Yahoo! Analytics

2.95% • Verizon • Site Analytics

25.

PubMatic

2.87% • PubMatic, Inc. • Advertising

26.

TripleLift

2.82% • TripleLift, Inc. • Advertising

27.

OpenX

2.81% • OpenX Software Ltd. • Advertising

28.

AppNexus

2.8% • Microsoft • Advertising

29.

Flashtalking

2.79% • Mediaocean • Advertising

30.

Index Exchange

2.71% • Index Exchange, Inc. • Advertising

31.

Optable

2.64% • Optable Technologies • Advertising

32.

Google Syndication

2.62% • Google • Advertising

33.

Fastly

2.59% • Fastly • Hosting

34.

Kargo

2.51% • Kargo • Advertising

35.

Merkle RKG

2.5% • Dentsu Aegis Network • Site Analytics

36.

Nativo

2.44% • Nativo • Advertising

37.

ShareThrough

2.41% • Sharethrough, Inc • Advertising

38.

Bidswitch

2.23% • Criteo • Advertising

39.

Microsoft Advertising

2.23% • Microsoft • Advertising

40.

Facebook

2.2% • Meta • Advertising

41.

Google Analytics

2.09% • Google • Site Analytics

42.

Google Translate

2.07% • Google • Customer Interaction

43.

Google AdServices

2.06% • Google • Advertising

44.

Teads

1.99% • Teads • Advertising

45.

Undertone

1.98% • Perion • Advertising

46.

Google User Content

1.93% • Google • Hosting

47.

gumgum

1.75% • GumGum • Advertising

48.

Adobe Audience Manager

1.75% • Adobe • Advertising

49.

Rhythmone Beacon

1.73% • RhythmOne, LLC • Advertising

50.

Contentful

1.71% • Contentful • Utilities

51.

Yahoo! Ad Manager Plus

1.68% • Verizon • Advertising

52.

SMART AdServer

1.59% • Smart Adserver • Advertising

53.

Dotomi

1.58% • Conversant • Advertising

54.

Adform

1.55% • Adform • Advertising

55.

Yahoo!

1.52% • Verizon • Site Analytics

56.

fontawesome.com

1.5% • • Hosting

57.

Tapad

1.48% • Telenor Group • Advertising

58.

Turn Inc.

1.45% • Singtel • Advertising

59.

Brand Metrics

1.45% • Brand Metrics • Advertising

60.

consentmanager

1.43% • consentmanager • Consent Management

61.

StackAdapt

1.33% • StackAdapt • Advertising

62.

sovrn

1.3% • Sovrn Holdings Inc • Advertising

63.

PulsePoint

1.22% • PulsePoint, Inc. • Advertising

64.

Improve Digital

1.19% • Improve Digital • Advertising

65.

Yieldmo

1.18% • Yieldmo, Inc. • Advertising

66.

DeepIntent

1.14% • Deep Intent • Advertising

67.

Zemanta

1.12% • Outbrain • Customer Interaction

68.

RTB House

1.1% • RTB House • Advertising

69.

SiteScout by Centro

1.08% • Centro • Advertising

70.

YouTube

1.07% • Google • Audio/Video Player

71.

Adelphic

1.05% • Viant • Site Analytics

72.

Beeswax

1.04% • Beeswax • Advertising

73.

33Across

1.04% • 33Across • Advertising

74.

Quantcast

1.02% • Quantcast • Advertising

75.

Ogury

1.0% • Ogury • Advertising