idnes.cz

Observed activities (36)

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

Google Tag

91.97% • Google • Advertising

Gemius

88.46% • Gemius SA • Advertising

ID5 Sync

52.91% • ID5 Technology Ltd. • Site Analytics

Google

52.23% • Google • Advertising

Piano

45.48% • Piano • Utilities

Piano Analytics

44.0% • Piano • Site Analytics

cXense

40.83% • Cxense • Advertising

Google Static

30.6% • Google • Hosting

Cloudflare

25.65% • Cloudflare • Hosting

10.

PubMatic

25.04% • PubMatic, Inc. • Advertising

11.

Google Fonts

23.68% • Google • Hosting

12.

Criteo

22.18% • Criteo • Advertising

13.

Adform

16.86% • Adform • Advertising

14.

AppNexus

16.17% • Microsoft • Advertising

15.

Facebook

11.6% • Meta • Advertising

16.

OnThe.io

10.81% • onthe.io • Site Analytics

17.

DoubleVerify

9.79% • DoubleVerify • Advertising

18.

Rubicon

8.86% • The Rubicon Project, Limited • Advertising

19.

Index Exchange

7.98% • Index Exchange, Inc. • Advertising

20.

Google Analytics

7.78% • Google • Site Analytics

21.

Performax

7.69% • Performax • Advertising

22.

DoubleClick

6.07% • Google • Advertising

23.

SMART AdServer

5.72% • Smart Adserver • Advertising

24.

RTB House

5.18% • RTB House • Advertising

25.

Google Analytics with signals

4.43% • Google • Advertising

26.

Google APIs

3.62% • Google • Hosting

27.

Google Syndication

3.57% • Google • Advertising

3.12% • Ströer SSP GmbH • Advertising

30.

OpenX

3.04% • OpenX Software Ltd. • Advertising

31.

Teads

2.96% • Teads • Advertising

32.

Wirtualna Polska

2.94% • WP • Advertising

33.

YouTube

1.61% • Google • Audio/Video Player

34.

Bidswitch

1.59% • Criteo • Advertising

35.

Didomi

1.57% • Didomi • Consent Management

36.

sovrn

1.15% • Sovrn Holdings Inc • Advertising

8.1

Trackers Per Page Load

50.84

Tracking Requests Per Page Load

43.45%

Trackers Requests / All Requests

1.14MB

Data Saved

Tracking Methods

Cookies are files placed by the website, stored in the browser that is are used to identify you to the website. 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