extra.cz

1.

Gemius

97.8% • Gemius SA • Advertising

2.

DoubleClick

97.65% • Google • Advertising

3.

Performax

97.5% • Performax • Advertising

4.

Google Tag

97.12% • Google • Advertising

5.

Rubicon

96.95% • The Rubicon Project, Limited • Advertising

6.

Taboola

40.4% • Taboola • Advertising

7.

Seznam

39.21% • Seznam • Site Analytics

8.

Google APIs

32.26% • Google • Hosting

9.

jsDelivr

11.44% • • Hosting

10.

Criteo

7.35% • Criteo • Advertising

11.

Google Analytics

6.77% • Google • Site Analytics

12.

Facebook

6.06% • Meta • Advertising

13.

Didomi

5.74% • Didomi • Consent Management

14.

Google Syndication

5.29% • Google • Advertising

15.

Instagram

5.27% • Meta • Social Media

16.

PubMatic

4.37% • PubMatic, Inc. • Advertising

17.

AppNexus

4.22% • Microsoft • Advertising

18.

Google

4.08% • Google • Advertising

19.

Adform

3.58% • Adform • Advertising

20.

ad-delivery.net

3.23% • • Misc

21.

Google Static

2.92% • Google • Hosting

22.

ID5 Sync

2.62% • ID5 Technology • Advertising

23.

RTB House

2.47% • RTB House • Advertising

24.

Lotame

2.33% • Lotame • Advertising

25.

SMART AdServer

2.29% • Smart Adserver • Advertising

26.

Google Fonts

2.26% • Google • Hosting

27.

OpenX

2.17% • OpenX Software Ltd. • Advertising

28.

33Across

2.04% • 33Across • Advertising

29.

Bidswitch

1.83% • Criteo • Advertising

30.

Index Exchange

1.82% • Index Exchange, Inc. • Advertising

31.

OneTag

1.78% • OneTag • Advertising

32.

X Corp.

1.74% • X Corp. • Social Media

33.

Facebook CDN

1.71% • Meta • Hosting

34.

X Syndication

1.46% • X Corp. • Social Media

35.

Google AdServices

1.44% • Google • Advertising

36.

TradeDesk

1.3% • The Trade Desk • Advertising

37.

Yahoo! Ad Manager Plus

1.18% • Verizon • Advertising

38.

sovrn

1.15% • Sovrn Holdings Inc • Advertising

39.

Media.net

1.03% • Media.net • Advertising

40.

StickyAds

1.02% • Comcast • Advertising

41.

Amazon Advertising

1.01% • Amazon • Advertising