britannica.com

1.

Google Tag

87.39% • Google • Advertising

2.

Cloudflare Insights

83.72% • Cloudflare • Site Analytics

3.

Google Static

81.18% • Google • Hosting

4.

Adobe Experience Cloud

81.13% • Adobe • Site Analytics

5.

Google Fonts

73.66% • Google • Hosting

6.

DoubleClick

71.73% • Google • Advertising

7.

Microsoft Services

68.33% • Microsoft • Misc

8.

Microsoft Clarity

37.67% • Microsoft • Site Analytics

9.

Facebook

36.79% • Meta • Advertising

10.

X Advertising

35.36% • X Corp. • Advertising

11.

Google

18.25% • Google • Advertising

12.

Google Analytics

18.12% • Google • Site Analytics

13.

Google AdServices

8.48% • Google • Advertising

14.

Google User Content

6.95% • Google • Hosting

15.

Google APIs

4.59% • Google • Hosting

16.

YouTube

3.56% • Google • Audio/Video Player

17.

Fastly

3.4% • Fastly • Hosting

18.

JW Player

3.14% • JW Player • Audio/Video Player

19.

Microsoft Advertising

3.08% • Microsoft • Advertising

20.

Amazon Advertising

3.08% • Amazon • Advertising

21.

Lotame

2.94% • Lotame • Advertising

22.

Google Analytics with signals

2.87% • Google • Advertising

23.

Rubicon

2.5% • The Rubicon Project, Limited • Advertising

24.

AppNexus

2.48% • Microsoft • Advertising

25.

Criteo

2.47% • Criteo • Advertising

26.

Dotomi

2.47% • Conversant • Advertising

27.

TripleLift

2.45% • TripleLift, Inc. • Advertising

28.

PubMatic

2.45% • PubMatic, Inc. • Advertising

29.

OpenX

2.44% • OpenX Software Ltd. • Advertising

30.

Teads

2.38% • Teads • Advertising

31.

Index Exchange

2.35% • Index Exchange, Inc. • Advertising

32.

ShareThrough

2.34% • Sharethrough, Inc • Advertising

33.

sovrn

2.33% • Sovrn Holdings Inc • Advertising

34.

Nativo

2.29% • Nativo • Advertising

35.

33Across

2.21% • 33Across • Advertising

36.

Live Intent

2.2% • LiveIntent • Site Analytics

37.

Kargo

2.16% • Kargo • Advertising

38.

LiveRamp

2.13% • LiveRamp • Advertising

39.

ID5 Sync

2.05% • ID5 Technology Ltd. • Site Analytics

40.

X Corp.

1.84% • X Corp. • Social Media

41.

X Analytics

1.74% • X Corp. • Site Analytics

42.

Google Syndication

1.68% • Google • Advertising

43.

TradeDesk

1.64% • The Trade Desk • Advertising

44.

Rhythmone Beacon

1.59% • RhythmOne, LLC • Advertising

45.

Seedtag

1.59% • Seedtag Advertising S.L • Advertising

46.

Bidswitch

1.57% • Criteo • Advertising

47.

Media.net

1.57% • Media.net • Advertising

48.

SMART AdServer

1.56% • Smart Adserver • Advertising

49.

Conversant

1.56% • Conversant • Advertising

50.

Sonobi

1.54% • Sonobi, Inc • Advertising

51.

Zeta

1.52% • Zeta Global • Customer Interaction

52.

gumgum

1.5% • GumGum • Advertising

53.

Disqus

1.5% • Zeta Global • Customer Interaction

54.

Yahoo! Ad Manager Plus

1.48% • Verizon • Advertising

55.

PulsePoint

1.43% • PulsePoint, Inc. • Advertising

56.

fontawesome.com

1.43% • • Hosting

57.

StickyAds

1.42% • Comcast • Advertising

58.

Adform

1.4% • Adform • Advertising

59.

Zemanta

1.32% • Outbrain • Customer Interaction

60.

RTB House

1.28% • RTB House • Advertising

61.

Beeswax

1.28% • Beeswax • Advertising

62.

Adobe Audience Manager

1.26% • Adobe • Advertising

63.

33Across

1.24% • 33Across • Advertising

64.

Improve Digital

1.16% • Improve Digital • Advertising

65.

DeepIntent

1.15% • Deep Intent • Advertising

66.

Adelphic

1.14% • Viant • Site Analytics

67.

StackAdapt

1.12% • StackAdapt • Advertising

68.

Audience Square

1.08% • Audigent • Advertising

69.

MediaMath

1.06% • MediaMath, Inc. • Advertising

70.

Smaato

1.05% • Verve Group • Advertising

71.

jsDelivr

1.01% • • Hosting

72.

ADman Media

1.0% • illumin • Advertising