harvard.edu

1.

Google Tag

52.95% • Google • Advertising

2.

Google Static

44.37% • Google • Hosting

3.

Google Fonts

27.29% • Google • Hosting

4.

Google

22.33% • Google • Advertising

5.

Google Analytics

19.96% • Google • Site Analytics

6.

jsDelivr

18.53% • • Hosting

7.

Google APIs

14.58% • Google • Hosting

8.

pendo

14.28% • • Site Analytics

9.

Canvas

14.24% • • Customer Interaction

10.

jQuery

14.2% • JS Foundation • Hosting

11.

Amazon Web Services

13.75% • Amazon • Hosting

12.

Amazon CloudFront

12.77% • Amazon • Hosting

13.

fontawesome.com

12.29% • • Hosting

14.

Cloudflare

11.75% • Cloudflare • Hosting

15.

Google Marketing Platform

10.57% • Google • Advertising

16.

Siteimprove Analytics

8.59% • Siteimprove • Site Analytics

17.

Ziff Davis

7.86% • Ziff Davis LLC • Advertising

18.

mPulse

7.25% • Akamai Technologies • Site Analytics

19.

New Relic

6.62% • New Relic • Site Analytics

20.

YouTube

6.29% • Google • Audio/Video Player

21.

Google Recaptcha

6.11% • Google • Utilities

22.

Hotjar

5.34% • Hotjar • Site Analytics

23.

Kaltura

5.28% • Kaltura • Audio/Video Player

24.

LinkedIn Analytics

5.24% • Microsoft • Site Analytics

25.

Launch Darkly

5.08% • LaunchDarkly • Utilities

26.

Adobe Dynamic Tag Management

5.06% • Adobe • Utilities

27.

Microsoft Advertising

4.99% • Microsoft • Advertising

28.

Zendesk CDN

4.89% • Zendesk • Hosting

29.

Adobe Experience Cloud

4.83% • Adobe • Site Analytics

30.

Qualtrics

4.76% • Qualtrics • Site Analytics

31.

Zendesk

4.75% • Zendesk • Customer Interaction

32.

Adobe Audience Manager

4.71% • Adobe • Advertising

33.

Adobe Marketo Engage

4.63% • Adobe • Advertising

34.

Google Play Services

4.48% • Google • Hosting

35.

Eloqua

4.09% • Oracle • Advertising

36.

Appcues

3.73% • • Customer Interaction

37.

Jetpack

3.21% • Automattic • Site Analytics

38.

HubSpot

3.05% • HubSpot • Site Analytics

39.

Adobe Typekit

2.98% • Adobe • Utilities

40.

HubSpot Forms

2.69% • HubSpot • Customer Interaction

41.

Sentry

2.38% • Sentry • Utilities

42.

HubSpot CMP

2.37% • HubSpot • Consent Management

43.

Contentful

2.22% • Contentful • Utilities

44.

Parse.ly

2.19% • Parse.ly • Site Analytics

45.

OneTrust

2.15% • OneTrust • Consent Management

46.

unpkg

2.03% • unpkg • Hosting

47.

Plausible Analytics

1.93% • Plausible Insights • Utilities

48.

AddToAny

1.75% • AddToAny • Social Media

49.

Google Photos

1.7% • Google • Hosting

50.

Facebook

1.68% • Meta • Advertising

51.

Google Analytics with signals

1.64% • Google • Advertising

52.

Heap

1.63% • Heap • Site Analytics

53.

Webfonts by Hoefler&Co

1.54% • • Hosting

54.

Convert

1.51% • Convert • Site Analytics

55.

HubSpot LiveChat

1.34% • HubSpot • Customer Interaction

56.

Google AdServices

1.34% • Google • Advertising

57.

Google User Content

1.33% • Google • Hosting

58.

Bootstrap CDN

1.16% • BootstrapCDN • Hosting

59.

Crazy Egg

1.06% • Crazy Egg • Site Analytics

60.

GitHub

1.06% • GitHub, Inc. • Customer Interaction

61.

Microsoft Clarity

1.03% • Microsoft • Site Analytics