quizlet.com

Observed activities (69)

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
90.38% Google Advertising
2.
Cloudflare
88.54% Cloudflare Hosting
3.
ScoreCard Research Beacon
85.25% comScore, Inc. Site Analytics
4.
Quantcast
85.06% Quantcast International Limited Advertising
5.
OneTrust
76.25% OneTrust Consent Management
6.
Google User Content
62.07% Google Hosting
7.
DoubleClick
56.78% Google Advertising
8.
Amazon Advertising
55.11% Amazon Advertising
9.
Facebook Social Graph
28.03% Meta Social Media
10.
Google
26.71% Google Advertising
11.
Amazon CloudFront
26.59% Amazon Hosting
12.
Facebook CDN
22.29% Meta Hosting
13.
Google Analytics
15.92% Google Site Analytics
14.
Google Static
15.18% Google Hosting
15.
Brandmetrics.com
12.14% Advertising
16.
AppsFlyer
11.4% AppsFlyer Site Analytics
17.
PageFair
10.33% Blockthrough Customer Interaction
18.
Ad Lightning
9.97% Ad Lightning Advertising
19.
Facebook
9.28% Meta Advertising
20.
PubMatic
7.67% PubMatic, Inc. Advertising
21.
Rubicon
7.57% The Rubicon Project, Limited Advertising
22.
AppNexus
6.83% Microsoft Advertising
23.
Index Exchange
6.83% Index Exchange, Inc. Advertising
24.
Yahoo!
6.72% Verizon Site Analytics
25.
ShareThrough
6.53% Sharethrough, Inc Advertising
26.
Yahoo! Analytics
6.45% Verizon Site Analytics
27.
Google AdServices
6.12% Google Advertising
28.
Amazon Web Services
5.94% Amazon Hosting
29.
Teads
5.27% Teads Advertising
30.
LiveRamp
4.89% LiveRamp Advertising
31.
Sonobi
4.56% Sonobi, Inc Advertising
32.
Sentry
3.9% Sentry Utilities
33.
ID5 Sync
2.78% ID5 Technology Ltd. Site Analytics
34.
Lotame
2.69% Lotame Advertising
35.
Conversant
2.68% Conversant Advertising
36.
Google Fonts
2.5% Google Hosting
37.
SMART AdServer
2.21% Smart Adserver Advertising
38.
Google APIs
2.18% Google Hosting
39.
sovrn
2.1% Sovrn Holdings Inc Advertising
40.
TradeDesk
1.99% The Trade Desk Advertising
41.
Bidswitch
1.85% Criteo Advertising
42.
OpenX
1.8% OpenX Software Ltd. Advertising
43.
Google Syndication
1.66% Google Advertising
44.
33Across
1.61% 33Across Advertising
45.
Rhythmone Beacon
1.6% RhythmOne, LLC Advertising
46.
Criteo
1.53% Criteo Advertising
47.
Media.net
1.52% Media.net Advertising
48.
ad-delivery.net
1.51% Misc

10.6

Trackers Per Page Load

8.25

Tracking Requests Per Page Load

16.19%

Trackers Requests / All Requests

0.47MB

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

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