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columbia.edu

Observed activities (39)

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

1.
Google Tag
52.21% • Google • Advertising
2.
Adobe Typekit
37.99% • Adobe • Utilities
3.
Google Analytics
37.27% • Google • Site Analytics
4.
Canvas
19.68% • • Customer Interaction
5.
Heap
19.36% • Heap • Site Analytics
6.
Cloudflare
18.51% • Cloudflare • Hosting
7.
Amazon Web Services
17.45% • Amazon • Hosting
8.
Google Static
16.52% • Google • Hosting
9.
Google
14.85% • Google • Advertising
10.
Google Fonts
11.27% • Google • Hosting
11.
Google APIs
8.85% • Google • Hosting
12.
Google Play Services
6.0% • Google • Hosting
13.
New Relic
5.6% • New Relic • Site Analytics
14.
YouTube
5.36% • Google • Audio/Video Player
15.
jsDelivr
5.23% • • Hosting
16.
Matomo
4.83% • Matomo • Site Analytics
17.
Bootstrap CDN
4.27% • BootstrapCDN • Hosting
18.
Amazon CloudFront
4.1% • Amazon • Hosting
19.
Piwik PRO Tag Manager
3.96% • Cookie Information • Utilities
20.
Google Marketing Platform
3.69% • Google • Advertising
21.
jQuery
3.64% • JS Foundation • Hosting
22.
unpkg
3.33% • unpkg • Hosting
23.
X Corp.
3.03% • X Corp. • Social Media
24.
Jetpack
2.38% • Automattic • Site Analytics
25.
Google Photos
2.18% • Google • Hosting
26.
X Syndication
2.15% • X Corp. • Social Media
27.
Gravatar
2.05% • Automattic • Social Media
28.
Github Pages
2.04% • GitHub, Inc. • Hosting
29.
Sentry
1.93% • Sentry • Utilities
30.
Zendesk
1.79% • Zendesk • Customer Interaction
31.
Zendesk CDN
1.79% • Zendesk • Misc
32.
WalkMe
1.76% • WalkMe • Customer Interaction
33.
Facebook
1.61% • Meta • Advertising
34.
Microsoft Services
1.61% • Microsoft • Misc
35.
fontawesome.com
1.45% • • Hosting
36.
Monotype GmbH
1.42% • Monotype Imaging • Hosting
37.
ImgIX
1.31% • • Hosting
38.
Vimeo
1.19% • Vimeo • Audio/Video Player
39.
ShareThis
1.12% • ShareThis, Inc. • Advertising

4.05

Trackers Per Page Load

2.72

Tracking Requests Per Page Load

6.11%

Trackers Requests / All Requests

0.37MB

Data Saved

Tracking Methods

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