fortune.com

1.

Google Tag

97.28% • Google • Advertising

2.

OneTrust

97.25% • OneTrust • Consent Management

3.

Optimizely

94.53% • Optimizely • Utilities

4.

VWO

94.22% • Wingify • Site Analytics

5.

Amazon Advertising

90.27% • Amazon • Advertising

6.

cXense

90.13% • Cxense • Advertising

7.

Segment

89.5% • Segment • Site Analytics

8.

Nativo

84.46% • Nativo • Advertising

9.

Piano

83.26% • Piano Software • Utilities

10.

Bombora

72.2% • Bombora • Site Analytics

11.

Facebook

59.9% • Meta • Advertising

12.

X Advertising

56.05% • X Corp. • Advertising

13.

Parse.ly

55.97% • Parse.ly • Site Analytics

14.

Google Marketing Platform

53.53% • Google • Advertising

15.

Outbrain

44.98% • Outbrain • Advertising

16.

pub.network

37.77% • • Advertising

17.

PubMatic

37.13% • PubMatic, Inc. • Advertising

18.

Cloudflare

19.51% • Cloudflare • Hosting

19.

Magnite

12.79% • Magnite • Advertising

20.

AdsWizz

12.61% • AdsWizz • Advertising

21.

SMART AdServer

12.06% • Smart Adserver • Advertising

22.

Dotomi

10.83% • Conversant • Advertising

23.

Google Static

10.5% • Google • Hosting

24.

Google

8.61% • Google • Advertising

25.

Google APIs

7.01% • Google • Hosting

26.

Google Fonts

6.92% • Google • Hosting

27.

GitHub

6.57% • GitHub, Inc. • Customer Interaction

28.

X Corp.

5.32% • X Corp. • Social Media

29.

LinkedIn Ads

5.27% • Microsoft • Advertising

30.

LiveRamp

5.25% • LiveRamp • Advertising

31.

Amazon CloudFront

5.12% • Amazon • Hosting

32.

Criteo

4.94% • Criteo • Advertising

33.

TradeDesk

4.9% • The Trade Desk • Advertising

34.

ID5 Sync

4.46% • ID5 Technology • Advertising

35.

Google Analytics with signals

4.39% • Google • Advertising

36.

Live Intent

4.37% • LiveIntent • Site Analytics

37.

Lotame

4.2% • Lotame • Advertising

38.

33Across

4.0% • 33Across • Advertising

39.

AppNexus

3.93% • Microsoft • Advertising

40.

Google Syndication

3.89% • Google • Advertising

41.

OpenX

3.87% • OpenX Software Ltd. • Advertising

42.

Tapad

3.87% • Telenor Group • Advertising

43.

Index Exchange

3.78% • Index Exchange, Inc. • Advertising

44.

Adobe Audience Manager

3.6% • Adobe • Advertising

45.

Bidswitch

3.56% • Criteo • Advertising

46.

Google AdServices

3.49% • Google • Advertising

47.

Media.net

3.38% • Media.net • Advertising

48.

Quantcast

3.21% • Quantcast • Advertising

49.

LinkedIn Analytics

3.19% • Microsoft • Site Analytics

50.

ShareThrough

3.19% • Sharethrough, Inc • Advertising

51.

Intent IQ

3.1% • AlmondNet • Advertising

52.

TripleLift

2.94% • TripleLift, Inc. • Advertising

53.

X Analytics

2.94% • X Corp. • Advertising

54.

Aggregate Knowledge

2.86% • TransUnion • Advertising

55.

Yahoo! Ad Manager Plus

2.83% • Verizon • Advertising

56.

SiteScout by Centro

2.81% • Centro • Advertising

57.

StackAdapt

2.72% • StackAdapt • Advertising

58.

sovrn

2.68% • Sovrn Holdings Inc • Advertising

59.

Yahoo! Analytics

2.68% • Verizon • Site Analytics

60.

ADman Media

2.66% • illumin • Advertising

61.

Zemanta

2.59% • Outbrain • Customer Interaction

62.

Turn Inc.

2.59% • Singtel • Advertising

63.

Rhythmone Beacon

2.57% • RhythmOne, LLC • Advertising

64.

Audience Square

2.55% • Audigent • Advertising

65.

Eyeota

2.48% • Eyeota • Advertising

66.

Yieldmo

2.48% • Yieldmo, Inc. • Advertising

67.

PulsePoint

2.46% • PulsePoint, Inc. • Advertising

68.

Kargo

2.42% • Kargo • Advertising

69.

RTB House

2.4% • RTB House • Advertising

70.

Teads

2.4% • Teads • Advertising

71.

Beeswax

2.37% • Beeswax • Advertising

72.

Adtheorent

2.33% • AdTheorent, Inc • Advertising

73.

Improve Digital

2.31% • Improve Digital • Advertising

74.

Unruly Media

2.29% • Tremor International • Advertising

75.

Smaato

2.22% • Verve Group • Advertising

76.

X Syndication

2.2% • X Corp. • Social Media

77.

Yahoo!

2.13% • Verizon • Site Analytics

78.

gumgum

2.11% • GumGum • Advertising

79.

ZoomInfo

2.04% • ZoomInfo • Advertising

80.

Microsoft Advertising

2.04% • Microsoft • Advertising

81.

Adelphic

1.93% • Viant • Site Analytics

82.

PageFair

1.93% • Blockthrough • Customer Interaction

83.

Sonobi

1.93% • Sonobi, Inc • Advertising

84.

Connatix

1.85% • Connatix Native Exchange • Advertising

85.

Simpli.fi

1.82% • Simplifi Holdings Inc. • Advertising

86.

Akamai Technologies

1.82% • Akamai Technologies • Hosting

87.

Adform

1.82% • Adform • Advertising

88.

Adition

1.8% • ProSiebenSat.1 Media • Advertising

89.

ScoreCard Research Beacon

1.76% • comScore, Inc. • Site Analytics

90.

Google Translate

1.76% • Google • Customer Interaction

91.

Google Play Services

1.74% • Google • Hosting

92.

StickyAds

1.71% • Comcast • Advertising

93.

eXelate

1.63% • Nielsen • Advertising

94.

DoubleVerify

1.58% • DoubleVerify • Advertising

95.

YouTube

1.54% • Google • Audio/Video Player

96.

Integral Ad Science

1.49% • Integral Ad Science, Inc. • Advertising

97.

DeepIntent

1.49% • Deep Intent • Advertising

98.

Intimate Merger

1.43% • Intimate Merger • Site Analytics

99.

Zeta

1.41% • Zeta Global • Customer Interaction

100.

Quantcount

1.38% • Quantcast • Site Analytics

101.

Google Analytics

1.34% • Google • Site Analytics

102.

ad-delivery.net

1.34% • • Misc

103.

Google Photos

1.32% • Google • Hosting

104.

OneTag

1.3% • OneTag • Advertising

105.

Seedtag

1.23% • Seedtag Advertising • Advertising

106.

Google User Content

1.21% • Google • Hosting

107.

Epsilon

1.19% • Epsilon • Advertising

108.

Acuity Ads

1.19% • Acuity Ads • Advertising

109.

Rise

1.19% • Rise Code • Advertising

110.

Taboola

1.16% • Taboola • Advertising

111.

Bidtellect

1.16% • Simpli.fi • Advertising

112.

MediaMath

1.14% • MediaMath, Inc. • Advertising

113.

Disqus

1.1% • Zeta Global • Customer Interaction

114.

Adyoulike

1.08% • Open Web • Advertising

115.

Amazon Web Services

1.08% • Amazon • Hosting

116.

33Across

1.08% • 33Across • Advertising

117.

DataXu

1.05% • DataXu • Advertising

118.

Optable

1.05% • Optable Technologies • Advertising

119.

pendo

1.01% • • Site Analytics