harvard.edu

1.

Google Tag

55.88% • Google • Advertising

2.

Google Static

44.83% • Google • Hosting

3.

Google Fonts

26.65% • Google • Hosting

4.

Google

24.9% • Google • Advertising

5.

Amazon Web Services

23.81% • Amazon • Hosting

6.

jsDelivr

19.73% • • Hosting

7.

Google Analytics

16.56% • Google • Site Analytics

8.

Google APIs

14.47% • Google • Hosting

9.

pendo

13.36% • • Site Analytics

10.

Cloudflare

13.23% • Cloudflare • Hosting

11.

Amazon CloudFront

13.0% • Amazon • Hosting

12.

Canvas

12.96% • • Customer Interaction

13.

fontawesome.com

11.64% • • Hosting

14.

Google Marketing Platform

10.79% • Google • Advertising

15.

jQuery

9.44% • JS Foundation • Hosting

16.

New Relic

8.42% • New Relic • Site Analytics

17.

YouTube

7.65% • Google • Audio/Video Player

18.

mPulse

7.34% • Akamai Technologies • Site Analytics

19.

Siteimprove Analytics

6.95% • Siteimprove • Site Analytics

20.

Google Play Services

6.59% • Google • Hosting

21.

Jetpack

5.8% • Automattic • Site Analytics

22.

Facebook

5.51% • Meta • Advertising

23.

Google Recaptcha

4.84% • Google • Utilities

24.

Parse.ly

4.81% • Parse.ly • Site Analytics

25.

Hotjar

4.6% • Hotjar • Site Analytics

26.

LinkedIn Analytics

4.38% • Microsoft • Site Analytics

27.

MathJax

4.34% • • Hosting

28.

Adobe Dynamic Tag Management

4.06% • Adobe • Utilities

29.

Launch Darkly

3.82% • LaunchDarkly • Utilities

30.

Kaltura

3.79% • Kaltura • Audio/Video Player

31.

Zendesk CDN

3.76% • Zendesk • Hosting

32.

Microsoft Advertising

3.76% • Microsoft • Advertising

33.

Qualtrics

3.74% • Qualtrics • Site Analytics

34.

Zendesk

3.74% • Zendesk • Customer Interaction

35.

Adobe Audience Manager

3.74% • Adobe • Advertising

36.

Adobe Experience Cloud

3.71% • Adobe • Site Analytics

37.

Marketo

3.61% • Adobe • Advertising

38.

OneTrust

3.59% • OneTrust • Consent Management

39.

Adobe Typekit

3.4% • Adobe • Utilities

40.

Eloqua

3.16% • Oracle • Advertising

41.

Appcues

2.85% • • Customer Interaction

42.

Sentry

2.43% • Sentry • Utilities

43.

HubSpot

2.36% • HubSpot • Site Analytics

44.

Google Photos

2.21% • Google • Hosting

45.

HubSpot Forms

2.14% • HubSpot • Customer Interaction

46.

Convert

2.13% • Convert • Site Analytics

47.

Google Analytics with signals

2.03% • Google • Advertising

48.

Heap

1.95% • Heap • Site Analytics

49.

Google AdServices

1.84% • Google • Advertising

50.

GitHub

1.81% • GitHub, Inc. • Customer Interaction

51.

HubSpot CMP

1.77% • HubSpot • Consent Management

52.

Bootstrap CDN

1.74% • BootstrapCDN • Hosting

53.

Contentful

1.73% • Contentful • Utilities

54.

HubSpot LiveChat

1.64% • HubSpot • Customer Interaction

55.

unpkg

1.61% • unpkg • Hosting

56.

Google User Content

1.59% • Google • Hosting

57.

Webfonts by Hoefler&Co

1.46% • • Hosting

58.

Vimeo

1.26% • Vimeo • Audio/Video Player

59.

Google Translate

1.23% • Google • Customer Interaction

60.

AddToAny

1.15% • AddToAny • Social Media

61.

Plausible Analytics

1.02% • Plausible Insights OÜ • Site Analytics