downdetector.com

1.

Google Tag Manager

97.04% • Google • Essential

2.

Ziff Davis

96.18% • Ziff Davis LLC • Advertising

3.

Cloudflare

96.15% • Cloudflare • CDN

4.

X Corp.

76.88% • X Corp. • Social Media

5.

Facebook

70.5% • Meta • Advertising

6.

Criteo

67.62% • Criteo • Advertising

7.

PubMatic

65.44% • PubMatic, Inc. • Advertising

8.

Live Intent

64.8% • LiveIntent • Site Analytics

9.

DoubleClick

64.68% • Google • Advertising

10.

Media.net

64.68% • Media.net • Advertising

11.

Rubicon

64.36% • The Rubicon Project, Limited • Advertising

12.

Disqus

64.2% • Zeta Global • Comments

13.

Index Exchange

64.16% • Index Exchange, Inc. • Advertising

14.

AppNexus

64.04% • Microsoft • Advertising

15.

OpenX

64.03% • OpenX Software Ltd. • Advertising

16.

Yahoo!

63.88% • Verizon • Site Analytics

17.

ID5 Sync

58.09% • ID5 Technology Ltd. • Site Analytics

18.

X Syndication

54.18% • X Corp. • Social Media

19.

Google Syndication

52.34% • Google • Advertising

20.

Google

39.71% • Google • Advertising

21.

Google Analytics

37.68% • Google • Site Analytics

22.

Google Static

35.36% • Google • CDN

23.

Google Fonts

34.43% • Google • CDN

24.

CookieLaw by OneTrust (formerly Optanaon)

23.9% • OneTrust • Consent Management

25.

PageFair

20.37% • Blockthrough • Customer Interaction

26.

OneTrust

16.96% • OneTrust • Consent Management

27.

ad-delivery.net

10.62% • • Misc

28.

SMART AdServer

9.05% • Smart Adserver • Advertising

29.

Rhythmone Beacon

8.95% • RhythmOne, LLC • Advertising

30.

Google APIs

6.76% • Google • CDN

31.

Facebook CDN

6.09% • Meta • CDN

32.

sovrn

2.72% • Sovrn Holdings Inc • Advertising

33.

TradeDesk

1.57% • The Trade Desk • Advertising

34.

Bidswitch

1.5% • Criteo • Advertising

35.

ShareThrough

1.49% • Sharethrough, Inc • Advertising

36.

Yahoo! Analytics

1.46% • Verizon • Site Analytics

37.

AMP Project

1.46% • Google • Misc

38.

Adform

1.42% • Adform • Advertising

39.

PulsePoint

1.36% • PulsePoint, Inc. • Advertising

40.

Yahoo! Ad Manager Plus

1.36% • Verizon • Advertising

41.

Sonobi

1.35% • Sonobi, Inc • Advertising

42.

Dotomi

1.34% • Conversant • Advertising

43.

Adelphic

1.31% • Viant • Site Analytics

44.

gumgum

1.3% • GumGum • Advertising

45.

DeepIntent

1.23% • Deep Intent • Advertising

46.

RTB House

1.23% • RTB House • Advertising

47.

Zemanta

1.22% • Outbrain • Customer Interaction

48.

TripleLift

1.2% • TripleLift, Inc. • Advertising

49.

MediaMath

1.19% • MediaMath, Inc. • Advertising

50.

StackAdapt

1.19% • StackAdapt • Advertising

51.

Supership

1.05% • Supership • Advertising

52.

33Across

1.02% • 33Across • Advertising