redfin.com

1.

Amazon Web Services

99.25% • Amazon • Hosting

2.

OneTrust

98.84% • OneTrust • Consent Management

3.

Google Tag

90.29% • Google • Advertising

4.

Amazon CloudFront

77.64% • Amazon • Hosting

5.

Google Accounts

77.63% • Google • Customer Interaction

6.

Facebook

76.51% • Meta • Advertising

7.

Google

75.61% • Google • Advertising

8.

Google APIs

74.74% • Google • Hosting

9.

Qualaroo

70.51% • • Site Analytics

10.

Google Static

61.5% • Google • Hosting

11.

Google Fonts

59.39% • Google • Hosting

12.

Google Marketing Platform

13.59% • Google • Advertising

13.

TradeDesk

7.99% • The Trade Desk • Advertising

14.

Google Analytics

7.21% • Google • Site Analytics

15.

Datadog

7.19% • Datadog • Utilities

16.

Microsoft Advertising

6.99% • Microsoft • Advertising

17.

ScoreCard Research Beacon

6.09% • comScore, Inc. • Site Analytics

18.

Google AdServices

5.72% • Google • Advertising

19.

Amazon Advertising

5.56% • Amazon • Advertising

20.

Spotify

5.5% • Spotify • Audio/Video Player

21.

TikTok Analytics

5.41% • ByteDance Inc • Site Analytics

22.

Google Analytics with signals

5.19% • Google • Advertising

23.

Cloudflare

5.15% • Cloudflare • Hosting

24.

Index Exchange

4.56% • Index Exchange, Inc. • Advertising

25.

Rubicon

4.56% • The Rubicon Project, Limited • Advertising

26.

AppNexus

4.56% • Microsoft • Advertising

27.

PubMatic

4.55% • PubMatic, Inc. • Advertising

28.

TripleLift

4.54% • TripleLift, Inc. • Advertising

29.

Rise

4.54% • Rise Code • Advertising

30.

ShareThrough

4.54% • Sharethrough, Inc • Advertising

31.

DoubleVerify

4.53% • DoubleVerify • Advertising

32.

Adobe Audience Manager

4.01% • Adobe • Advertising

33.

SMART AdServer

3.91% • Smart Adserver • Advertising

34.

Yahoo! Ad Manager Plus

3.65% • Verizon • Advertising

35.

Live Intent

3.6% • LiveIntent • Site Analytics

36.

Google Syndication

3.38% • Google • Advertising

37.

Media.net

3.24% • Media.net • Advertising

38.

Bidswitch

3.11% • Criteo • Advertising

39.

StreamRail

2.74% • ironSource • Advertising

40.

OpenX

2.68% • OpenX Software Ltd. • Advertising

41.

Criteo

2.59% • Criteo • Advertising

42.

StickyAds

2.54% • Comcast • Advertising

43.

sovrn

2.53% • Sovrn Holdings Inc • Advertising

44.

Outbrain

2.47% • Outbrain • Advertising

45.

LiveRamp

2.42% • LiveRamp • Advertising

46.

Quantcast

2.24% • Quantcast International Limited • Advertising

47.

Smaato

2.19% • Verve Group • Advertising

48.

Connatix

2.18% • Connatix Native Exchange • Advertising

49.

Zemanta

2.13% • Outbrain • Customer Interaction

50.

Beeswax

2.11% • Beeswax • Advertising

51.

Adform

2.08% • Adform • Advertising

52.

Rhythmone Beacon

2.05% • RhythmOne, LLC • Advertising

53.

Google User Content

2.03% • Google • Hosting

54.

Dotomi

1.87% • Conversant • Advertising

55.

jsDelivr

1.84% • • Hosting

56.

StackAdapt

1.79% • StackAdapt • Advertising

57.

SiteScout by Centro

1.78% • Centro • Advertising

58.

Aggregate Knowledge

1.72% • TransUnion • Advertising

59.

PulsePoint

1.67% • PulsePoint, Inc. • Advertising

60.

Tapad

1.65% • Telenor Group • Advertising

61.

Turn Inc.

1.53% • Singtel • Advertising

62.

MediaMath

1.53% • MediaMath, Inc. • Advertising

63.

Simpli.fi

1.49% • Simplifi Holdings Inc. • Advertising

64.

RTB House

1.44% • RTB House • Advertising

65.

DataXu

1.42% • DataXu • Advertising

66.

SpotX

1.41% • RTL Group • Advertising

67.

Adyoulike

1.39% • Open Web • Advertising

68.

DeepIntent

1.38% • Deep Intent • Advertising

69.

Demandbase

1.34% • Demandbase • Advertising

70.

Taboola

1.32% • Taboola • Advertising

71.

AdGear

1.31% • Samsung • Advertising

72.

YouTube

1.29% • Google • Audio/Video Player

73.

33Across

1.26% • 33Across • Advertising

74.

Bidtellect

1.23% • Simpli.fi • Advertising

75.

Cognitiv

1.17% • Cognitiv • Advertising

76.

InMobi

1.14% • InMobi • Advertising

77.

Integral Ad Science

1.13% • Integral Ad Science, Inc. • Advertising

78.

Aniview

1.11% • Aniview • Advertising

79.

Unruly Media

1.08% • Tremor International • Advertising