britannica.com

1.

Google Tag Manager

95.76% • Google • Essential

2.

Cloudflare Insights

93.59% • Cloudflare • Site Analytics

3.

Google Fonts

87.03% • Google • CDN

4.

Google Static

83.5% • Google • CDN

5.

Microsoft Services

74.19% • Microsoft • Misc

6.

Adobe Experience Cloud

51.84% • Adobe • Site Analytics

7.

Google Analytics

46.83% • Google • Site Analytics

8.

Facebook

39.03% • Meta • Advertising

9.

X Advertising

37.08% • X Corp. • Advertising

10.

DoubleClick

17.33% • Google • Advertising

11.

Microsoft Clarity

16.44% • Microsoft • Site Analytics

12.

Google

14.48% • Google • Advertising

13.

Google Analytics with signals

12.31% • Google • Advertising

14.

Amazon CloudFront

5.13% • Amazon • Hosting

15.

JW Player

4.46% • JW Player • Audio/Video Player

16.

Amazon Advertising

3.5% • Amazon • Advertising

17.

Rubicon

3.04% • The Rubicon Project, Limited • Advertising

18.

Lotame

2.94% • Lotame • Advertising

19.

Fastly

2.62% • Fastly • CDN

20.

CookieLaw by OneTrust (formerly Optanaon)

2.61% • OneTrust • Consent Management

21.

Microsoft Advertising

2.47% • Microsoft • Advertising

22.

TradeDesk

2.45% • The Trade Desk • Advertising

23.

OneTrust

2.3% • OneTrust • Consent Management

24.

fontawesome.com

2.1% • • CDN

25.

ScoreCard Research Beacon

2.1% • comScore, Inc. • Site Analytics

26.

Criteo

2.1% • Criteo • Advertising

27.

Index Exchange

1.88% • Index Exchange, Inc. • Advertising

28.

Google Syndication

1.88% • Google • Advertising

29.

AppNexus

1.84% • Microsoft • Advertising

30.

PubMatic

1.82% • PubMatic, Inc. • Advertising

31.

TripleLift

1.8% • TripleLift, Inc. • Advertising

32.

OpenX

1.73% • OpenX Software Ltd. • Advertising

33.

Teads

1.59% • Teads • Advertising

34.

Kargo

1.51% • Kargo • Advertising

35.

33Across

1.5% • 33Across • Advertising

36.

Nativo

1.49% • Nativo • Advertising

37.

Live Intent

1.47% • LiveIntent • Site Analytics

38.

X Corp.

1.45% • X Corp. • Social Media

39.

X Analytics

1.36% • X Corp. • Site Analytics

40.

Yahoo! Analytics

1.33% • Verizon • Site Analytics

41.

LiveRamp

1.31% • Acxiom • Advertising

42.

Flashtalking

1.22% • Flashtalking • Advertising

43.

Merkle RKG

1.19% • Dentsu Aegis Network • Site Analytics

44.

Google APIs

1.13% • Google • CDN

45.

Aggregate Knowledge

1.12% • TransUnion • Advertising

46.

ID5 Sync

1.12% • ID5 Technology Ltd. • Site Analytics

47.

Dotomi

1.01% • Conversant • Advertising

48.

Yahoo!

1.0% • Verizon • Site Analytics