o2.co.uk

1.

Google Tag

81.6% • Google • Advertising

2.

Amazon Web Services

72.43% • Amazon • Hosting

3.

Optimizely

71.52% • Optimizely • Utilities

4.

Qualtrics

43.09% • Qualtrics • Site Analytics

5.

SpeedCurve

37.68% • • Site Analytics

6.

Google Analytics

37.58% • Google • Site Analytics

7.

Google Analytics with signals

32.88% • Google • Advertising

8.

Google Maps

26.71% • Google • Utilities

9.

Google

26.48% • Google • Advertising

10.

iovation

22.08% • iovation • Utilities

11.

Microsoft Advertising

18.84% • Microsoft • Advertising

12.

Facebook

18.3% • Meta • Advertising

13.

RTB House

18.13% • RTB House • Advertising

14.

Digital Window

17.71% • Axel Springer • Advertising

15.

Storyblok

17.4% • Storyblok • Utilities

16.

Google Syndication

13.89% • Google • Advertising

17.

Google Marketing Platform

8.98% • Google • Advertising

18.

LinkedIn Ads

7.4% • Microsoft • Advertising

19.

LinkedIn Analytics

7.23% • Microsoft • Site Analytics

20.

Google Static

5.89% • Google • Hosting

21.

Google Fonts

4.98% • Google • Hosting

22.

Google AdServices

4.78% • Google • Advertising

23.

Amazon CloudFront

2.12% • Amazon • Hosting

24.

Cloudflare

1.97% • Cloudflare • Hosting

25.

Datadog

1.92% • Datadog • Utilities

26.

jsDelivr

1.92% • • Hosting

27.

Adobe Dynamic Tag Management

1.65% • Adobe • Utilities

28.

Sentry

1.64% • Sentry • Utilities

29.

YouTube

1.58% • Google • Audio/Video Player

30.

Bazaarvoice

1.38% • Bazaarvoice • Customer Interaction

31.

Adobe Audience Manager

1.33% • Adobe • Advertising

32.

Bugsnag

1.23% • SmartBear • Site Analytics

33.

Acceleration Partners

1.16% • Acceleration Partners • Advertising