harvard.edu

1.

Google Tag Manager

43.86% • Google • Essential

2.

Google Analytics

31.79% • Google • Site Analytics

3.

Google Static

31.1% • Google • CDN

4.

Google Fonts

30.49% • Google • CDN

5.

Amazon Web Services

25.36% • Amazon • Hosting

6.

Google

22.31% • Google • Advertising

7.

Google APIs

20.56% • Google • CDN

8.

New Relic

19.57% • New Relic • Site Analytics

9.

Cloudflare

16.01% • Cloudflare • CDN

10.

Amazon CloudFront

15.78% • Amazon • Hosting

11.

Canvas

14.72% • • Customer Interaction

12.

jsDelivr

14.2% • • CDN

13.

DoubleClick

12.38% • Google • Advertising

14.

jQuery

12.0% • JS Foundation • CDN

15.

fontawesome.com

8.9% • • CDN

16.

SOASTA mPulse

8.69% • Akamai Technologies • Site Analytics

17.

MaxCDN

7.39% • • CDN

18.

YouTube

7.39% • Google • Audio/Video Player

19.

Facebook

6.96% • Meta • Advertising

20.

Heap

6.73% • Heap • Site Analytics

21.

LinkedIn Analytics

6.09% • Microsoft • Site Analytics

22.

Adobe Typekit

5.97% • Adobe • Essential

23.

Hotjar

4.91% • Hotjar • Site Analytics

24.

Jetpack

3.58% • Automattic • Site Analytics

25.

SiteImprove Analytics

3.51% • Siteimprove • Site Analytics

26.

Google Photos

3.22% • Google • CDN

27.

Polyfill

2.53% • Polyfill.io • Misc

28.

TradeDesk

2.38% • The Trade Desk • Advertising

29.

Bootstrap CDN

2.19% • BootstrapCDN • CDN

30.

Google AdServices

2.15% • Google • Advertising

31.

X Advertising

1.92% • X Corp. • Advertising

32.

StackAdapt

1.8% • StackAdapt • Advertising

33.

CookieLaw by OneTrust (formerly Optanaon)

1.68% • OneTrust • Consent Management

34.

HubSpot

1.68% • HubSpot • Site Analytics

35.

Parse.ly

1.65% • Parse.ly • Site Analytics

36.

Convert

1.38% • Convert • Site Analytics

37.

AddToAny

1.37% • AddToAny • Social Media

38.

Sentry

1.36% • Sentry • Site Analytics

39.

X Corp.

1.36% • X Corp. • Social Media

40.

LinkedIn Ads

1.21% • Microsoft • Advertising

41.

GitHub

1.2% • GitHub, Inc. • Customer Interaction

42.

unpkg

1.18% • • CDN

43.

Gravatar

1.14% • Automattic • Social Media

44.

Google Translate

1.08% • Google • Customer Interaction

45.

SoundCloud

1.03% • SoundCloud • Audio/Video Player