cars.com

1.

CookieLaw by OneTrust (formerly Optanaon)

95.0% • OneTrust • Consent Management

2.

Adobe Dynamic Tag Management

93.04% • Adobe • Essential

3.

Google Tag Manager

91.76% • Google • Essential

4.

DoubleClick

89.68% • Google • Advertising

5.

Acceptable Ads Exchange

88.43% • • Advertising

6.

Google

78.79% • Google • Advertising

7.

Adobe Audience Manager

77.11% • Adobe • Advertising

8.

Google Analytics

38.77% • Google • Site Analytics

9.

PageFair

31.42% • Blockthrough • Customer Interaction

10.

OneTrust

29.79% • OneTrust • Consent Management

11.

Google Fonts

26.58% • Google • CDN

12.

FullStory

25.18% • fullstory • Site Analytics

13.

Adobe Typekit

24.65% • Adobe • Essential

14.

ad-delivery.net

21.24% • • Misc

15.

Index Exchange

21.11% • Index Exchange, Inc. • Advertising

16.

Amazon Web Services

20.51% • Amazon • Hosting

17.

Qualtrics

19.31% • Qualtrics • Site Analytics

18.

Google Static

14.33% • Google • CDN

19.

Microsoft Advertising

13.01% • Microsoft • Advertising

20.

TradeDesk

12.4% • The Trade Desk • Advertising

21.

Teads

12.4% • Teads • Advertising

22.

Facebook

12.38% • Meta • Advertising

23.

LiveRamp

12.36% • Acxiom • Advertising

24.

ScoreCard Research Beacon

12.3% • comScore, Inc. • Site Analytics

25.

Criteo

8.09% • Criteo • Advertising

26.

Reddit

7.81% • reddit • Social Media

27.

Google AdServices

7.36% • Google • Advertising

28.

ID5 Sync

7.28% • ID5 Technology Ltd. • Site Analytics

29.

Google Analytics with signals

5.56% • Google • Advertising

30.

Integral Ad Science

4.91% • Integral Ad Science, Inc. • Advertising

31.

Google Syndication

4.87% • Google • Advertising

32.

Aggregate Knowledge

3.37% • TransUnion • Advertising

33.

DoubleVerify

2.96% • DoubleVerify • Advertising

34.

Bugsnag

2.34% • SmartBear • Site Analytics

35.

jsDelivr

1.72% • • CDN

36.

33Across

1.67% • 33Across • Advertising

37.

RTB House

1.61% • RTB House • Advertising

38.

Cloudflare

1.58% • Cloudflare • CDN

39.

Treasure Data

1.57% • arm • Site Analytics

40.

Google APIs

1.53% • Google • CDN

41.

Brightcove Player

1.24% • Brightcove • Audio/Video Player

42.

Brightcove

1.12% • Brightcove • Site Analytics

43.

Akamai Technologies

1.11% • Akamai Technologies • CDN

44.

boltdns.net

1.09% • • Misc

45.

PubMatic

1.04% • PubMatic, Inc. • Advertising

46.

AppNexus

1.01% • Microsoft • Advertising