thredup.com

1.

Google Tag Manager

82.5% • Google • Essential

2.

Sift Science

48.09% • Sift Science • Site Analytics

3.

Medallia

42.16% • Medallia • Customer Interaction

4.

Microsoft Advertising

38.26% • Microsoft • Advertising

5.

Facebook

37.78% • Meta • Advertising

6.

RTB House

37.44% • RTB House • Advertising

7.

Criteo

36.09% • Criteo • Advertising

8.

Google

33.25% • Google • Advertising

9.

Amazon CloudFront

31.23% • Amazon • Hosting

10.

DoubleClick

29.1% • Google • Advertising

11.

TikTok Analytics

26.02% • ByteDance Inc • Site Analytics

12.

Google AdServices

21.66% • Google • Advertising

13.

Google Syndication

21.04% • Google • Advertising

14.

Taboola

7.2% • Taboola • Advertising

15.

CookieLaw by OneTrust (formerly Optanaon)

6.35% • OneTrust • Consent Management

16.

Google Analytics

6.03% • Google • Site Analytics

17.

Brandwatch

5.71% • Brandwatch • Site Analytics

18.

Snapchat For Business

5.6% • Snap Technologies • Advertising

19.

Beeswax

3.9% • Beeswax • Advertising

20.

Pinterest

3.67% • Pinterest • Social Media

21.

Impact Radius

2.25% • Impact Radius • Essential

22.

PayPal

2.09% • eBay • Customer Interaction

23.

Tremor Video

1.62% • Tremor Video • Audio/Video Player

24.

Smaato

1.61% • Verve Group • Advertising

25.

ShareThrough

1.6% • Sharethrough, Inc • Advertising

26.

PubMatic

1.58% • PubMatic, Inc. • Advertising

27.

Columbia Online

1.54% • Columbia Online • Advertising

28.

RevContent

1.53% • Revcontent • Advertising

29.

Tapad

1.53% • Telenor Group • Advertising

30.

Outbrain

1.53% • Outbrain • Advertising

31.

Nativo

1.5% • Nativo • Advertising

32.

Live Intent

1.45% • LiveIntent • Site Analytics

33.

Mediavine Exchange

1.43% • Mediavine, Inc • Advertising

34.

Improve Digital

1.42% • Improve Digital • Advertising

35.

StickyAds

1.4% • Comcast • Advertising

36.

Index Exchange

1.39% • Index Exchange, Inc. • Advertising

37.

Adyoulike

1.35% • Open Web • Advertising

38.

TripleLift

1.33% • TripleLift, Inc. • Advertising

39.

AppNexus

1.32% • Microsoft • Advertising

40.

Teads

1.31% • Teads • Advertising

41.

SMART AdServer

1.3% • Smart Adserver • Advertising

42.

Google Fonts

1.3% • Google • CDN

43.

Rubicon

1.27% • The Rubicon Project, Limited • Advertising

44.

Media.net

1.23% • Media.net • Advertising

45.

Bidswitch

1.18% • Criteo • Advertising

46.

Adobe Typekit

1.15% • Adobe • Essential

47.

ad-blocker.org

1.01% • • Misc