usertesting.com

1.

Google Tag Manager

61.8% • Google • Essential

2.

Adobe Typekit

50.01% • Adobe • Essential

3.

DoubleClick

38.56% • Google • Advertising

4.

Polyfill

32.07% • Polyfill.io • Misc

5.

Marketo

18.03% • Marketo • Advertising

6.

Google

16.6% • Google • Advertising

7.

Google Static

15.55% • Google • CDN

8.

Hotjar

7.9% • Hotjar • Site Analytics

9.

Google Analytics

7.64% • Google • Site Analytics

10.

Segment

6.12% • Segment • Site Analytics

11.

Drift

6.05% • Drift • Customer Interaction

12.

Amazon Web Services

4.93% • Amazon • Hosting

13.

Facebook

4.82% • Meta • Advertising

14.

Wistia

4.62% • Wistia • Site Analytics

15.

Microsoft Advertising

4.49% • Microsoft • Advertising

16.

AppNexus

4.28% • Microsoft • Advertising

17.

LinkedIn Analytics

4.22% • Microsoft • Site Analytics

18.

pendo

3.61% • • Site Analytics

19.

Zendesk CDN

3.39% • Zendesk • Misc

20.

fontawesome.com

3.23% • • CDN

21.

Fastly

2.98% • Fastly • CDN

22.

ImgIX

2.98% • • CDN

23.

Zendesk

2.54% • Zendesk • Customer Interaction

24.

AddToAny

2.5% • AddToAny • Social Media

25.

Google Fonts

2.46% • Google • CDN

26.

jsDelivr

2.22% • • CDN

27.

Google Analytics with signals

2.21% • Google • Advertising

28.

Honeybadger

1.87% • Honeybadger • Site Analytics

29.

jQuery

1.81% • JS Foundation • CDN

30.

Hello Bar

1.7% • Crazy Egg • Social Media

31.

Adobe Dynamic Tag Management

1.66% • Adobe • Essential

32.

Adobe Experience Cloud

1.62% • Adobe • Site Analytics

33.

New Relic

1.34% • New Relic • Site Analytics

34.

Amazon CloudFront

1.28% • Amazon • Hosting

35.

Google Syndication

1.17% • Google • Advertising

36.

Cloudflare

1.1% • Cloudflare • CDN

37.

Gravatar

1.08% • Automattic • Social Media

38.

WordPress Stats

1.06% • Automattic • Site Analytics