Your Privacy, Our Mission

Donate

Support Ghostery with a one-time donation. Your contributions help us develop even stronger protection against trackers and ads, making the web safer for everyone.

One-time or whenever you appreciate Ghostery.

Back to all websites

c-span.org

Observed activities (111)

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.
Dynamic Yield
97.4% • Dynamic Yield • Utilities
2.
OneTrust
95.73% • OneTrust • Consent Management
3.
Google Tag
90.85% • Google • Advertising
4.
OneSignal
87.67% • OneSignal • Utilities
5.
JW Player
52.29% • JW Player • Audio/Video Player
6.
Google Syndication
40.5% • Google • Advertising
7.
YouTube
27.45% • Google • Audio/Video Player
8.
Google
15.8% • Google • Advertising
9.
Amazon CloudFront
15.04% • Amazon • Hosting
10.
Google Static
12.71% • Google • Hosting
11.
Google APIs
10.81% • Google • Hosting
12.
Facebook
9.0% • Meta • Advertising
13.
Google Marketing Platform
8.62% • Google • Advertising
14.
X Corp.
7.7% • X Corp. • Social Media
15.
Amazon Advertising
7.34% • Amazon • Advertising
16.
LinkedIn Ads
7.06% • Microsoft • Advertising
17.
Adobe Audience Manager
6.91% • Adobe • Advertising
18.
Google AdServices
6.85% • Google • Advertising
19.
LinkedIn Analytics
6.68% • Microsoft • Site Analytics
20.
Criteo
6.68% • Criteo • Advertising
21.
Google Analytics
6.65% • Google • Site Analytics
22.
X Syndication
6.5% • X Corp. • Social Media
23.
Amazon Web Services
6.1% • Amazon • Hosting
24.
33Across
5.8% • 33Across • Advertising
25.
Integral Ad Science
5.57% • Integral Ad Science, Inc. • Advertising
26.
OneTag
5.14% • OneTag • Advertising
27.
AppNexus
5.12% • Microsoft • Advertising
28.
Rubicon
5.1% • The Rubicon Project, Limited • Advertising
29.
PubMatic
5.08% • PubMatic, Inc. • Advertising
30.
Smile Wanted
5.03% • Smile Wanted Group • Advertising
31.
Yieldmo
5.03% • Yieldmo, Inc. • Advertising
32.
Media.net
5.01% • Media.net • Advertising
33.
Rise
5.01% • Rise Code • Advertising
34.
sovrn
5.01% • Sovrn Holdings Inc • Advertising
35.
ShareThrough
5.01% • Sharethrough, Inc • Advertising
36.
gumgum
4.99% • GumGum • Advertising
37.
CPMStar
4.99% • CPMStar • Advertising
38.
ADman Media
4.76% • illumin • Advertising
39.
Rhythmone Beacon
4.76% • RhythmOne, LLC • Advertising
40.
SMART AdServer
4.76% • Smart Adserver • Advertising
41.
StickyAds
4.59% • Comcast • Advertising
42.
Aggregate Knowledge
4.54% • TransUnion • Advertising
43.
InMobi
4.44% • InMobi • Advertising
44.
OpenX
4.44% • OpenX Software Ltd. • Advertising
45.
Rich Audience
4.44% • Rich Audience • Advertising
46.
Bidswitch
4.37% • Criteo • Advertising
47.
TradeDesk
4.31% • The Trade Desk • Advertising
48.
33Across
4.09% • 33Across • Advertising

10.36

Trackers Per Page Load

15.34

Tracking Requests Per Page Load

5.34%

Trackers Requests / All Requests

2.16MB

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