npr.org

Observed activities (44)

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.
Stripe
98.27% Stripe Customer Interaction
2.
Piano Analytics
97.53% Piano Software Site Analytics
3.
Piano
93.05% Piano Software Utilities
4.
Google Recaptcha
91.47% Google Utilities
5.
Google Marketing Platform
86.41% Google Advertising
6.
OneTrust
84.36% OneTrust Consent Management
7.
Optimizely
84.28% Optimizely Utilities
8.
Permutive
84.1% Permutive Advertising
9.
Google Static
76.75% Google Hosting
10.
Google Tag
73.96% Google Advertising
11.
GeoEdge
70.22% Five Media Advertising
12.
mPulse
69.05% Akamai Technologies Site Analytics
13.
cXense
66.46% Cxense Advertising
14.
Google Analytics
66.33% Google Site Analytics
15.
PubMatic
58.63% PubMatic, Inc. Advertising
16.
Amazon Advertising
58.31% Amazon Advertising
17.
Cloudflare
50.62% Cloudflare Hosting
18.
Datadog
48.59% Datadog Utilities
19.
NetRatings SiteCensus
48.58% Nielsen Advertising
20.
JW Player
47.15% JW Player Audio/Video Player
21.
Google Fonts
32.13% Google Hosting
22.
Google APIs
30.73% Google Hosting
23.
Google
17.5% Google Advertising
24.
Google Syndication
15.34% Google Advertising
25.
Criteo
15.09% Criteo Advertising
26.
AppNexus
14.42% Microsoft Advertising
27.
Magnite
13.85% Magnite Advertising
28.
Index Exchange
13.83% Index Exchange, Inc. Advertising
29.
Crazy Egg
3.95% Crazy Egg Site Analytics
30.
LiveRamp CMP
3.6% LiveRamp Consent Management
31.
Yahoo! Analytics
3.46% Verizon Site Analytics
32.
ChartBeat
3.43% ChartBeat Site Analytics
33.
YouTube
2.95% Google Audio/Video Player
34.
ScoreCard Research Beacon
2.51% comScore, Inc. Site Analytics
35.
Epsilon
2.5% Epsilon Advertising
36.
Akamai Technologies
2.4% Akamai Technologies Hosting
37.
Spotify
2.36% Spotify Audio/Video Player
38.
Google Analytics with signals
2.26% Google Advertising
39.
LiveRamp
2.14% LiveRamp Advertising
40.
RTB House
2.03% RTB House Advertising
41.
Lotame
1.88% Lotame Advertising
42.
Google Photos
1.85% Google Hosting
43.
TradeDesk
1.61% The Trade Desk Advertising
44.
Google AdServices
1.38% Google Advertising

17.93

Trackers Per Page Load

23.84

Tracking Requests Per Page Load

13.07%

Trackers Requests / All Requests

23.59MB

Data Saved

Tracking Methods

Cookies

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

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