extra.cz

Observed activities (57)

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

Gemius

97.4% • Gemius SA • Advertising

Performax

96.13% • Performax • Advertising

Google Marketing Platform

95.71% • Google • Advertising

Google Tag

95.16% • Google • Advertising

Magnite

95.09% • Magnite • Advertising

Google APIs

65.2% • Google • Hosting

Seznam

46.79% • Seznam • Site Analytics

Amazon CloudFront

18.67% • Amazon • Hosting

10.33% • Google • Site Analytics

11.

Adform

7.26% • Adform • Advertising

12.

AppNexus

7.02% • Microsoft • Advertising

13.

Criteo

6.71% • Criteo • Advertising

14.

PubMatic

6.53% • PubMatic, Inc. • Advertising

15.

Google Syndication

6.38% • Google • Advertising

16.

OneTag

5.53% • OneTag • Advertising

17.

Microsoft Clarity

5.48% • Microsoft • Site Analytics

18.

Facebook

5.42% • Meta • Advertising

19.

Didomi

5.23% • Didomi • Consent Management

20.

RTB House

5.15% • RTB House • Advertising

21.

SMART AdServer

5.05% • Smart Adserver • Advertising

22.

Bidswitch

5.03% • Criteo • Advertising

23.

ID5 Sync

4.81% • ID5 Technology • Advertising

24.

Google Static

4.39% • Google • Hosting

25.

AdaptMX

4.3% • Monet Engine • Advertising

26.

Improve Digital

4.24% • Improve Digital • Advertising

27.

Instagram

4.08% • Meta • Social Media

28.

Google

3.66% • Google • Advertising

29.

Adnami

3.61% • Adnami • Advertising

30.

AdScale

3.54% • Ströer SSP GmbH • Advertising

31.

OpenX

2.93% • OpenX Software Ltd. • Advertising

32.

Google Fonts

2.78% • Google • Hosting

33.

Index Exchange

2.51% • Index Exchange, Inc. • Advertising

34.

Lotame

2.23% • Lotame • Advertising

35.

Google AdServices

2.09% • Google • Advertising

36.

Facebook CDN

2.08% • Meta • Hosting

37.

TradeDesk

2.06% • The Trade Desk • Advertising

38.

Rich Audience

2.06% • Rich Audience • Advertising

39.

Roq.ad

1.9% • Roq.ad GmbH • Advertising

40.

Adsninja

1.88% • Adsninja Affilate Network • Advertising

41.

Turn Inc.

1.85% • Singtel • Advertising

42.

ADman Media

1.85% • illumin • Advertising

43.

33Across

1.75% • 33Across • Advertising

44.

Microsoft Advertising

1.61% • Microsoft • Advertising

45.

Taboola

1.61% • Taboola • Advertising

46.

Wirtualna Polska

1.58% • WP • Advertising

47.

sovrn

1.55% • Sovrn Holdings Inc • Advertising

48.

Amazon Advertising

1.51% • Amazon • Advertising

9.21

Trackers Per Page Load

1.81

Tracking Requests Per Page Load

1.8%

Trackers Requests / All Requests

0.24MB

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