testbook.com

1.

Google Tag

93.6% • Google • Advertising

2.

Cloudflare Insights

91.25% • Cloudflare • Site Analytics

3.

Amplitude

86.11% • Amplitude • Site Analytics

4.

Facebook

81.34% • Meta • Advertising

5.

Google APIs

37.74% • Google • Hosting

6.

Adobe Typekit

33.59% • Adobe • Utilities

7.

Google AdServices

31.75% • Google • Advertising

8.

Amazon Web Services

24.7% • Amazon • Hosting

9.

Google Static

18.31% • Google • Hosting

10.

Intercom

15.53% • Intercom • Customer Interaction

11.

Google

11.81% • Google • Advertising

12.

Google Analytics

5.25% • Google • Site Analytics

13.

DoubleClick

5.03% • Google • Advertising

14.

Criteo

4.7% • Criteo • Advertising

15.

Quora

4.61% • • Social Media

16.

Microsoft Advertising

4.61% • Microsoft • Advertising

17.

X Advertising

4.6% • X Corp. • Advertising

18.

Microsoft Clarity

4.57% • Microsoft • Site Analytics

19.

Google Fonts

4.53% • Google • Hosting

20.

Google Analytics with signals

4.41% • Google • Advertising

21.

X Corp.

3.86% • X Corp. • Social Media

22.

X Analytics

3.86% • X Corp. • Site Analytics

23.

unpkg

3.49% • unpkg • Hosting

24.

AppNexus

3.05% • Microsoft • Advertising

25.

Bidswitch

3.04% • Criteo • Advertising

26.

Taboola

3.04% • Taboola • Advertising

27.

Index Exchange

3.04% • Index Exchange, Inc. • Advertising

28.

SMART AdServer

3.03% • Smart Adserver • Advertising

29.

Media.net

3.01% • Media.net • Advertising

30.

Improve Digital

3.01% • Improve Digital • Advertising

31.

TripleLift

3.0% • TripleLift, Inc. • Advertising

32.

PubMatic

3.0% • PubMatic, Inc. • Advertising

33.

Teads

3.0% • Teads • Advertising

34.

Rubicon

3.0% • The Rubicon Project, Limited • Advertising

35.

Yieldmo

3.0% • Yieldmo, Inc. • Advertising

36.

Outbrain

2.99% • Outbrain • Advertising

37.

Rhythmone Beacon

2.97% • RhythmOne, LLC • Advertising

38.

Columbia Online

2.92% • Columbia Online • Advertising

39.

Smaato

2.91% • Verve Group • Advertising

40.

LiveRamp

2.89% • LiveRamp • Advertising

41.

Fluct

2.88% • Fluct • Advertising

42.

Supership

2.87% • Supership • Advertising

43.

StickyAds

2.79% • Comcast • Advertising

44.

Unruly Media

2.38% • Tremor International • Advertising

45.

Google User Content

2.15% • Google • Hosting

46.

AdGear

2.04% • Samsung • Advertising

47.

ucfunnel

1.56% • ucfunnel • Advertising

48.

Sentry

1.41% • Sentry • Utilities

49.

jsDelivr

1.22% • • Hosting

50.

YouTube

1.12% • Google • Audio/Video Player

51.

Cloudflare

1.02% • Cloudflare • Hosting