harvard.edu

1.

Google Tag

54.96% • Google • Advertising

2.

Google Static

46.67% • Google • Hosting

3.

Google Fonts

26.31% • Google • Hosting

4.

Google

22.33% • Google • Advertising

5.

jsDelivr

20.72% • • Hosting

6.

pendo

17.91% • • Site Analytics

7.

Canvas

17.83% • • Customer Interaction

8.

Amazon Web Services

17.35% • Amazon • Hosting

9.

jQuery

17.26% • JS Foundation • Hosting

10.

Google APIs

16.9% • Google • Hosting

11.

Google Analytics

15.34% • Google • Site Analytics

12.

fontawesome.com

15.13% • • Hosting

13.

Google Marketing Platform

14.07% • Google • Advertising

14.

Amazon CloudFront

12.47% • Amazon • Hosting

15.

Cloudflare

11.63% • Cloudflare • Hosting

16.

Google Recaptcha

8.73% • Google • Utilities

17.

Siteimprove Analytics

8.55% • Siteimprove • Site Analytics

18.

Adobe Dynamic Tag Management

8.37% • Adobe • Utilities

19.

Kaltura

8.28% • Kaltura • Audio/Video Player

20.

Hotjar

8.25% • Hotjar • Site Analytics

21.

LinkedIn Analytics

8.19% • Microsoft • Site Analytics

22.

Zendesk CDN

8.12% • Zendesk • Hosting

23.

Microsoft Advertising

8.06% • Microsoft • Advertising

24.

Qualtrics

8.04% • Qualtrics • Site Analytics

25.

Zendesk

8.03% • Zendesk • Customer Interaction

26.

Launch Darkly

7.92% • LaunchDarkly • Utilities

27.

Adobe Audience Manager

7.9% • Adobe • Advertising

28.

Adobe Experience Cloud

7.89% • Adobe • Site Analytics

29.

Ziff Davis

7.75% • Ziff Davis LLC • Advertising

30.

Adobe Marketo Engage

7.75% • Adobe • Advertising

31.

mPulse

7.52% • Akamai Technologies • Site Analytics

32.

YouTube

7.08% • Google • Audio/Video Player

33.

Eloqua

6.83% • Oracle • Advertising

34.

New Relic

6.16% • New Relic • Site Analytics

35.

Appcues

5.89% • • Customer Interaction

36.

Google Play Services

5.65% • Google • Hosting

37.

Contentful

3.38% • Contentful • Utilities

38.

Jetpack

3.24% • Automattic • Site Analytics

39.

Adobe Typekit

3.02% • Adobe • Utilities

40.

HubSpot

2.8% • HubSpot • Site Analytics

41.

HubSpot Forms

2.47% • HubSpot • Customer Interaction

42.

Sentry

2.35% • Sentry • Utilities

43.

Parse.ly

2.32% • Parse.ly • Site Analytics

44.

AddToAny

2.21% • AddToAny • Social Media

45.

HubSpot CMP

2.17% • HubSpot • Consent Management

46.

OneTrust

2.14% • OneTrust • Consent Management

47.

Google Photos

1.79% • Google • Hosting

48.

Heap

1.75% • Heap • Site Analytics

49.

Plausible Analytics

1.56% • Plausible Insights • Site Analytics

50.

Convert

1.54% • Convert • Site Analytics

51.

Google AdServices

1.5% • Google • Advertising

52.

unpkg

1.39% • unpkg • Hosting

53.

Google User Content

1.39% • Google • Hosting

54.

Facebook

1.32% • Meta • Advertising

55.

HubSpot LiveChat

1.32% • HubSpot • Customer Interaction

56.

Bootstrap CDN

1.32% • BootstrapCDN • Hosting

57.

Google Analytics with signals

1.28% • Google • Advertising

58.

Webfonts by Hoefler&Co

1.18% • • Hosting

59.

Crazy Egg

1.08% • Crazy Egg • Site Analytics

60.

TrackJS

1.04% • TrackJS • Site Analytics