idnes.cz

Observed activities (37)

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

93.88% • Google • Advertising

Gemius

91.46% • Gemius SA • Advertising

ID5 Sync

59.85% • ID5 Technology • Advertising

Piano

52.74% • Piano • Utilities

Piano Analytics

49.5% • Piano • Site Analytics

cXense

47.28% • Cxense • Advertising

Google Accounts

37.39% • Google • Customer Interaction

Google Static

35.7% • Google • Hosting

Google

32.35% • Google • Advertising

10.

Cloudflare

30.93% • Cloudflare • Hosting

11.

Google Fonts

28.11% • Google • Hosting

12.

PubMatic

25.1% • PubMatic, Inc. • Advertising

13.

Criteo

20.79% • Criteo • Advertising

14.

Adform

16.88% • Adform • Advertising

15.

AppNexus

16.84% • Microsoft • Advertising

16.

Google Play Services

13.76% • Google • Hosting

17.

Facebook

11.32% • Meta • Advertising

18.

OnThe.io

10.98% • onthe.io • Site Analytics

19.

Rubicon

8.89% • The Rubicon Project, Limited • Advertising

20.

Index Exchange

8.23% • Index Exchange, Inc. • Advertising

21.

Performax

7.29% • Performax • Advertising

22.

Google Marketing Platform

5.8% • Google • Advertising

23.

SMART AdServer

5.27% • Smart Adserver • Advertising

24.

RTB House

4.98% • RTB House • Advertising

25.

OneTag

4.75% • OneTag • Advertising

26.

OpenX

3.47% • OpenX Software Ltd. • Advertising

27.

Google Syndication

2.81% • Google • Advertising

28.

Google Analytics

2.7% • Google • Site Analytics

29.

Google APIs

2.34% • Google • Hosting

1.91% • Teads • Advertising

32.

Wirtualna Polska

1.89% • WP • Advertising

33.

LinkedIn Ads

1.88% • Microsoft • Advertising

34.

AdScale

1.87% • Ströer SSP GmbH • Advertising

35.

Google Analytics with signals

1.27% • Google • Advertising

36.

Bidswitch

1.19% • Criteo • Advertising

37.

YouTube

1.11% • Google • Audio/Video Player

8.63

Trackers Per Page Load

37.8

Tracking Requests Per Page Load

31.88%

Trackers Requests / All Requests

0.86MB

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

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