columbia.edu

Observed activities (40)

This chart shows the total unique trackers seen on this website. Rather than an exact count per page, it shows the diversity of trackers seen over multiple visits.

Filter the list by category to view subset tracker types.

Sorted by frequency of appearance on domain subpages

Google Tag

54.05% • Google • Advertising

Google Analytics

38.42% • Google • Site Analytics

Adobe Typekit

35.08% • Adobe • Utilities

Canvas

21.8% • • Customer Interaction

Heap

21.38% • Heap • Site Analytics

Cloudflare

17.34% • Cloudflare • Hosting

Amazon Web Services

17.26% • Amazon • Hosting

Google

16.42% • Google • Advertising

Google Static

16.25% • Google • Hosting

10.

Google Fonts

10.75% • Google • Hosting

11.

Google APIs

8.33% • Google • Hosting

12.

New Relic

7.34% • New Relic • Site Analytics

13.

YouTube

5.67% • Google • Audio/Video Player

14.

Amazon CloudFront

4.92% • Amazon • Hosting

15.

Matomo

4.67% • Matomo • Site Analytics

4.04% • Google • Advertising

18.

Piwik PRO Tag Manager

3.75% • Cookie Information • Utilities

19.

X Corp.

3.11% • X Corp. • Social Media

20.

Bootstrap CDN

2.76% • BootstrapCDN • Hosting

21.

Jetpack

2.54% • Automattic • Site Analytics

22.

jQuery

2.34% • JS Foundation • Hosting

23.

Facebook

2.26% • Meta • Advertising

24.

Gravatar

2.15% • Automattic • Social Media

25.

X Syndication

2.13% • X Corp. • Social Media

26.

Google Photos

2.08% • Google • Hosting

27.

Sentry

2.03% • Sentry • Utilities

28.

Google User Content

1.8% • Google • Hosting

29.

Zendesk CDN

1.68% • Zendesk • Misc

30.

Zendesk

1.68% • Zendesk • Customer Interaction

31.

Microsoft Services

1.62% • Microsoft • Misc

32.

unpkg

1.61% • unpkg • Hosting

33.

Google AdServices

1.57% • Google • Advertising

34.

Monotype GmbH

1.55% • Monotype Imaging • Hosting

35.

WalkMe

1.51% • WalkMe • Customer Interaction

1.14% • Vimeo • Audio/Video Player

39.

ShareThis

1.13% • ShareThis, Inc. • Advertising

40.

Google Analytics with signals

1.1% • Google • Advertising

4.04

Trackers Per Page Load

7.04

Tracking Requests Per Page Load

14.1%

Trackers Requests / All Requests

1.15MB

Data Saved

Tracking Methods

Cookies are files placed by the website, stored in the browser that is are used to identify you to the website. Learn more

Fingerprinting

Fingerprinting is a unique digital signature derived from the properties of your device. Learn more

What is a tracker? Where does the data come from?

Tracker Diagram

This diagram maps trackers on this page to their related categories and parent companies. The connecting flows visualize which companies provide trackers in each category and the volume identified across the site.

Tracker categories

Tracking companies