britannica.com

1.

Google Tag

91.26% • Google • Advertising

2.

Cloudflare Insights

87.46% • Cloudflare • Site Analytics

3.

Adobe Experience Cloud

86.86% • Adobe • Site Analytics

4.

Google Static

81.19% • Google • Hosting

5.

DoubleClick

79.31% • Google • Advertising

6.

Google Fonts

76.7% • Google • Hosting

7.

Microsoft Services

75.99% • Microsoft • Misc

8.

Google

16.86% • Google • Advertising

9.

Google Analytics

10.03% • Google • Site Analytics

10.

Google AdServices

5.76% • Google • Advertising

11.

JW Player

5.33% • JW Player • Audio/Video Player

12.

Facebook

5.02% • Meta • Advertising

13.

Google User Content

4.97% • Google • Hosting

14.

Google APIs

4.37% • Google • Hosting

15.

Lotame

4.13% • Lotame • Advertising

16.

Amazon Advertising

3.95% • Amazon • Advertising

17.

Google Analytics with signals

3.9% • Google • Advertising

18.

Microsoft Advertising

3.6% • Microsoft • Advertising

19.

Microsoft Clarity

3.51% • Microsoft • Site Analytics

20.

X Advertising

3.36% • X Corp. • Advertising

21.

Rubicon

3.27% • The Rubicon Project, Limited • Advertising

22.

AppNexus

3.26% • Microsoft • Advertising

23.

PubMatic

3.24% • PubMatic, Inc. • Advertising

24.

TripleLift

3.22% • TripleLift, Inc. • Advertising

25.

Criteo

3.22% • Criteo • Advertising

26.

OpenX

3.21% • OpenX Software Ltd. • Advertising

27.

sovrn

3.2% • Sovrn Holdings Inc • Advertising

28.

Index Exchange

3.12% • Index Exchange, Inc. • Advertising

29.

Seedtag

3.06% • Seedtag Advertising • Advertising

30.

Nativo

3.05% • Nativo • Advertising

31.

Kargo

2.91% • Kargo • Advertising

32.

33Across

2.88% • 33Across • Advertising

33.

TradeDesk

2.85% • The Trade Desk • Advertising

34.

YouTube

2.83% • Google • Audio/Video Player

35.

Dotomi

2.83% • Conversant • Advertising

36.

Live Intent

2.8% • LiveIntent • Site Analytics

37.

Epsilon

2.63% • Epsilon • Advertising

38.

ID5 Sync

2.62% • ID5 Technology Ltd. • Site Analytics

39.

Fastly

2.61% • Fastly • Hosting

40.

LiveRamp

2.58% • LiveRamp • Advertising

41.

Google Syndication

2.23% • Google • Advertising

42.

Rhythmone Beacon

2.19% • RhythmOne, LLC • Advertising

43.

Sentry

2.17% • Sentry • Utilities

44.

Bidswitch

2.16% • Criteo • Advertising

45.

SMART AdServer

2.14% • Smart Adserver • Advertising

46.

PulsePoint

2.09% • PulsePoint, Inc. • Advertising

47.

ShareThrough

2.01% • Sharethrough, Inc • Advertising

48.

Adform

1.98% • Adform • Advertising

49.

Giphy

1.93% • • Social Media

50.

Beeswax

1.93% • Beeswax • Advertising

51.

33Across

1.9% • 33Across • Advertising

52.

RTB House

1.9% • RTB House • Advertising

53.

Improve Digital

1.89% • Improve Digital • Advertising

54.

StackAdapt

1.79% • StackAdapt • Advertising

55.

Zemanta

1.78% • Outbrain • Customer Interaction

56.

Audience Square

1.75% • Audigent • Advertising

57.

Adobe Audience Manager

1.75% • Adobe • Advertising

58.

StickyAds

1.69% • Comcast • Advertising

59.

Adyoulike

1.68% • Open Web • Advertising

60.

X Corp.

1.68% • X Corp. • Social Media

61.

e-planning

1.67% • e-planning • Advertising

62.

Smaato

1.63% • Verve Group • Advertising

63.

X Analytics

1.61% • X Corp. • Site Analytics

64.

Sonobi

1.59% • Sonobi, Inc • Advertising

65.

Bidtellect

1.58% • Simpli.fi • Advertising

66.

Yahoo! Ad Manager Plus

1.55% • Verizon • Advertising

67.

Turn Inc.

1.55% • Singtel • Advertising

68.

fontawesome.com

1.55% • • Hosting

69.

Beachfront Media

1.55% • • Advertising

70.

Media.net

1.53% • Media.net • Advertising

71.

AniView

1.48% • • Advertising

72.

jsDelivr

1.45% • • Hosting

73.

Aidem

1.42% • Aidem • Advertising

74.

Tapad

1.39% • Telenor Group • Advertising

75.

Spot.IM

1.37% • Spot.IM Ltd. • Social Media

76.

Yieldmo

1.37% • Yieldmo, Inc. • Advertising

77.

SiteScout by Centro

1.35% • Centro • Advertising

78.

Zeta

1.28% • Zeta Global • Customer Interaction

79.

ADman Media

1.23% • illumin • Advertising

80.

Adelphic

1.18% • Viant • Site Analytics

81.

DoubleVerify

1.16% • DoubleVerify • Advertising

82.

Quantcast

1.13% • Quantcast International Limited • Advertising

83.

Aggregate Knowledge

1.1% • TransUnion • Advertising

84.

Simpli.fi

1.1% • Simplifi Holdings Inc. • Advertising

85.

Integral Ad Science

1.1% • Integral Ad Science, Inc. • Advertising

86.

StreamRail

1.04% • ironSource • Advertising

87.

Adsninja

1.02% • Adsninja Affilate Network • Advertising

88.

TRUSTe Notice

1.0% • TrustArc • Consent Management