extra.cz

Observed activities (38)

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

97.57% • Gemius SA • Advertising

Performax

97.39% • Performax • Advertising

DoubleClick

97.2% • Google • Advertising

Google Tag

97.02% • Google • Advertising

Rubicon

95.88% • The Rubicon Project, Limited • Advertising

Seznam

39.69% • Seznam • Site Analytics

Taboola

38.01% • Taboola • Advertising

Google APIs

31.8% • Google • Hosting

Google Analytics

11.99% • Google • Site Analytics

7.98% • Didomi • Consent Management

12.

Facebook

6.35% • Meta • Advertising

13.

Criteo

6.29% • Criteo • Advertising

14.

Google Syndication

6.24% • Google • Advertising

15.

Internet BillBoard

5.54% • Internet BillBoard • Advertising

16.

AppNexus

5.38% • Microsoft • Advertising

17.

PubMatic

4.96% • PubMatic, Inc. • Advertising

18.

Google

4.64% • Google • Advertising

3.6% • Google • Hosting

21.

ID5 Sync

3.59% • ID5 Technology Ltd. • Site Analytics

22.

Adform

3.54% • Adform • Advertising

23.

Google Fonts

3.31% • Google • Hosting

24.

X Corp.

3.04% • X Corp. • Social Media

25.

RTB House

2.7% • RTB House • Advertising

26.

X Syndication

2.6% • X Corp. • Social Media

27.

Lotame

2.26% • Lotame • Advertising

28.

OpenX

2.23% • OpenX Software Ltd. • Advertising

29.

33Across

2.16% • 33Across • Advertising

30.

Bidswitch

2.09% • Criteo • Advertising

31.

SMART AdServer

2.07% • Smart Adserver • Advertising

32.

Google AdServices

1.85% • Google • Advertising

33.

Index Exchange

1.85% • Index Exchange, Inc. • Advertising

34.

sovrn

1.29% • Sovrn Holdings Inc • Advertising

35.

TradeDesk

1.27% • The Trade Desk • Advertising

36.

Simpli.fi

1.25% • Simplifi Holdings Inc. • Advertising

37.

AMP Project

1.17% • Google • Misc

38.

Yahoo! Ad Manager Plus

1.15% • Verizon • Advertising

8.4

Trackers Per Page Load

8.59

Tracking Requests Per Page Load

11.58%

Trackers Requests / All Requests

12.51MB

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