npr.org

Observed activities (63)

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

Stripe

97.0% • Stripe • Customer Interaction

Piano Analytics

96.86% • Piano Software • Site Analytics

OneTrust

93.62% • OneTrust • Consent Management

Piano

92.23% • Piano Software • Utilities

Google Recaptcha

89.48% • Google • Utilities

Google Static

87.2% • Google • Hosting

Google Marketing Platform

83.61% • Google • Advertising

Google Tag

82.49% • Google • Advertising

Permutive

81.3% • Permutive • Advertising

10.

Optimizely

80.9% • Optimizely • Utilities

11.

GeoEdge

79.81% • Five Media • Advertising

12.

mPulse

77.32% • Akamai Technologies • Site Analytics

13.

Google Analytics

76.31% • Google • Site Analytics

14.

cXense

76.05% • Cxense • Advertising

15.

Cloudflare

59.14% • Cloudflare • Hosting

16.

NetRatings SiteCensus

55.25% • Nielsen • Advertising

17.

PubMatic

54.74% • PubMatic, Inc. • Advertising

18.

Datadog

54.49% • Datadog • Utilities

19.

Amazon Advertising

54.06% • Amazon • Advertising

20.

Google Fonts

41.05% • Google • Hosting

21.

JW Player

37.65% • JW Player • Audio/Video Player

22.

Google APIs

32.41% • Google • Hosting

23.

ChartBeat

9.53% • ChartBeat • Site Analytics

24.

Crazy Egg

8.64% • Crazy Egg • Site Analytics

25.

Criteo

8.56% • Criteo • Advertising

26.

Google Syndication

8.49% • Google • Advertising

27.

AppNexus

7.73% • Microsoft • Advertising

28.

ScoreCard Research Beacon

7.62% • comScore, Inc. • Site Analytics

29.

LiveRamp CMP

7.52% • LiveRamp • Consent Management

30.

Magnite

7.46% • Magnite • Advertising

31.

Google Analytics with signals

7.32% • Google • Advertising

32.

Spotify

7.32% • Spotify • Audio/Video Player

33.

Akamai Technologies

7.22% • Akamai Technologies • Hosting

34.

Yahoo! Analytics

7.09% • Verizon • Site Analytics

35.

nexx360

6.82% • Nexx360 • Advertising

36.

Index Exchange

6.62% • Index Exchange, Inc. • Advertising

37.

RTB House

6.52% • RTB House • Advertising

38.

Lotame

6.51% • Lotame • Advertising

39.

LiveRamp

6.43% • LiveRamp • Advertising

40.

Google

6.27% • Google • Advertising

41.

Epsilon

5.59% • Epsilon • Advertising

3.89% • Amazon • Site Analytics

44.

Lucid

3.87% • Luc.id • Advertising

45.

YouTube

3.22% • Google • Audio/Video Player

46.

Google Photos

2.37% • Google • Hosting

47.

TradeDesk

1.96% • The Trade Desk • Advertising

48.

X Corp.

1.86% • X Corp. • Social Media

19.11

Trackers Per Page Load

1.88

Tracking Requests Per Page Load

1.06%

Trackers Requests / All Requests

0.32MB

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