harvard.edu

1.

Google Tag

49.4% • Google • Advertising

2.

Google Static

45.1% • Google • Hosting

3.

Google

35.03% • Google • Advertising

4.

Amazon Web Services

24.6% • Amazon • Hosting

5.

Google Fonts

22.52% • Google • Hosting

6.

Google Analytics

18.86% • Google • Site Analytics

7.

jsDelivr

17.81% • • Hosting

8.

Google APIs

16.32% • Google • Hosting

9.

Canvas

14.19% • • Customer Interaction

10.

Amazon CloudFront

14.19% • Amazon • Hosting

11.

Cloudflare

13.96% • Cloudflare • Hosting

12.

Heap

13.92% • Heap • Site Analytics

13.

DoubleClick

13.09% • Google • Advertising

14.

jQuery

12.92% • JS Foundation • Hosting

15.

New Relic

10.49% • New Relic • Site Analytics

16.

Facebook

7.86% • Meta • Advertising

17.

SOASTA mPulse

7.85% • Akamai Technologies • Site Analytics

18.

YouTube

7.74% • Google • Audio/Video Player

19.

fontawesome.com

7.58% • • Hosting

20.

Hotjar

7.31% • Hotjar • Site Analytics

21.

LinkedIn Analytics

6.76% • Microsoft • Site Analytics

22.

Google Recaptcha

4.95% • Google • Essential

23.

Google AdServices

4.88% • Google • Advertising

24.

Adobe Typekit

4.74% • Adobe • Essential

25.

Jetpack

4.46% • Automattic • Site Analytics

26.

Zendesk CDN

4.09% • Zendesk • Misc

27.

Adobe Dynamic Tag Management

4.08% • Adobe • Essential

28.

Microsoft Advertising

4.06% • Microsoft • Advertising

29.

Zendesk

3.91% • Zendesk • Customer Interaction

30.

Qualtrics

3.75% • Qualtrics • Site Analytics

31.

Google User Content

3.71% • Google • Hosting

32.

Adobe Audience Manager

3.66% • Adobe • Advertising

33.

Adobe Experience Cloud

3.63% • Adobe • Site Analytics

34.

Marketo

3.61% • Marketo • Advertising

35.

Appcues

3.25% • • Customer Interaction

36.

Launch Darkly

3.05% • Launch Darkly • Essential

37.

Eloqua

2.85% • Oracle • Advertising

38.

SiteImprove Analytics

2.56% • Siteimprove • Site Analytics

39.

unpkg

2.44% • • Hosting

40.

Bootstrap CDN

2.34% • BootstrapCDN • Hosting

41.

Parse.ly

2.16% • Parse.ly • Site Analytics

42.

Contentful GmbH

2.13% • Contentful GmbH • Hosting

43.

OneTrust

2.09% • OneTrust • Consent Management

44.

Google Photos

1.94% • Google • Hosting

45.

Google Analytics with signals

1.81% • Google • Advertising

46.

HubSpot

1.71% • HubSpot • Site Analytics

47.

LinkedIn Ads

1.59% • Microsoft • Advertising

48.

StackAdapt

1.42% • StackAdapt • Advertising

49.

Convert

1.4% • Convert • Site Analytics

50.

Kaltura

1.37% • Kaltura • Audio/Video Player

51.

AddToAny

1.32% • AddToAny • Social Media

52.

Sentry

1.28% • Sentry • Site Analytics

53.

HubSpot Forms

1.25% • HubSpot • Customer Interaction

54.

GitHub

1.21% • GitHub, Inc. • Customer Interaction

55.

Webfonts by Hoefler&Co

1.2% • • Hosting

56.

HubSpot CMP

1.17% • HubSpot • Consent Management

57.

Plausible Analytics

1.16% • Plausible Insights OÜ • Site Analytics

58.

Google Translate

1.1% • Google • Customer Interaction

59.

HubSpot LiveChat

1.03% • HubSpot • Customer Interaction